author | sspitsyn |
Sat, 12 Jul 2014 01:26:13 -0700 | |
changeset 25627 | b5a1a1f02388 |
parent 25057 | f38210f84f8c |
child 27020 | a7c8010446c2 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2014, 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/defaultMethods.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/thread.inline.hpp" |
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#include "runtime/vmThread.hpp" |
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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, CallInfo::direct_call, 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, int itable_index, 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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// In that case, the caller must call set_virtual instead of set_interface. |
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assert(resolved_method->method_holder()->is_interface(), ""); |
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assert(itable_index == resolved_method()->itable_index(), ""); |
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set_common(resolved_klass, selected_klass, resolved_method, selected_method, CallInfo::itable_call, itable_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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assert(vtable_index < 0 || !resolved_method->has_vtable_index() || vtable_index == resolved_method->vtable_index(), ""); |
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CallKind kind = (vtable_index >= 0 && !resolved_method->can_be_statically_bound() ? CallInfo::vtable_call : CallInfo::direct_call); |
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set_common(resolved_klass, selected_klass, resolved_method, selected_method, kind, 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->has_vtable_index(), ""); |
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set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, 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, |
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KlassHandle selected_klass, |
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methodHandle resolved_method, |
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methodHandle selected_method, |
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CallKind kind, |
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int index, |
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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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_call_kind = kind; |
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_call_index = index; |
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_resolved_appendix = Handle(); |
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DEBUG_ONLY(verify()); // verify before making side effects |
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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 (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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// utility query for unreflecting a method |
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CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass) { |
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Klass* resolved_method_holder = resolved_method->method_holder(); |
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if (resolved_klass == NULL) { // 2nd argument defaults to holder of 1st |
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resolved_klass = resolved_method_holder; |
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} |
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_resolved_klass = resolved_klass; |
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_selected_klass = resolved_klass; |
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_resolved_method = resolved_method; |
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_selected_method = resolved_method; |
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// classify: |
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CallKind kind = CallInfo::unknown_kind; |
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int index = resolved_method->vtable_index(); |
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if (resolved_method->can_be_statically_bound()) { |
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kind = CallInfo::direct_call; |
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} else if (!resolved_method_holder->is_interface()) { |
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// Could be an Object method inherited into an interface, but still a vtable call. |
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kind = CallInfo::vtable_call; |
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} else if (!resolved_klass->is_interface()) { |
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// A default or miranda method. Compute the vtable index. |
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ResourceMark rm; |
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klassVtable* vt = InstanceKlass::cast(resolved_klass)->vtable(); |
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index = LinkResolver::vtable_index_of_interface_method(resolved_klass, |
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resolved_method); |
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assert(index >= 0 , "we should have valid vtable index at this point"); |
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kind = CallInfo::vtable_call; |
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} else if (resolved_method->has_vtable_index()) { |
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// Can occur if an interface redeclares a method of Object. |
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#ifdef ASSERT |
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// Ensure that this is really the case. |
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KlassHandle object_klass = SystemDictionary::Object_klass(); |
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Method * object_resolved_method = object_klass()->vtable()->method_at(index); |
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assert(object_resolved_method->name() == resolved_method->name(), |
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err_msg("Object and interface method names should match at vtable index %d, %s != %s", |
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|
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index, object_resolved_method->name()->as_C_string(), resolved_method->name()->as_C_string())); |
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|
173 |
assert(object_resolved_method->signature() == resolved_method->signature(), |
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|
174 |
err_msg("Object and interface method signatures should match at vtable index %d, %s != %s", |
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|
175 |
index, object_resolved_method->signature()->as_C_string(), resolved_method->signature()->as_C_string())); |
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|
176 |
#endif // ASSERT |
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|
177 |
|
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178 |
kind = CallInfo::vtable_call; |
20017
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179 |
} else { |
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// A regular interface call. |
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kind = CallInfo::itable_call; |
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index = resolved_method->itable_index(); |
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183 |
} |
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|
184 |
assert(index == Method::nonvirtual_vtable_index || index >= 0, err_msg("bad index %d", index)); |
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185 |
_call_kind = kind; |
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_call_index = index; |
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_resolved_appendix = Handle(); |
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|
188 |
DEBUG_ONLY(verify()); |
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|
189 |
} |
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190 |
|
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|
191 |
#ifdef ASSERT |
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|
192 |
void CallInfo::verify() { |
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193 |
switch (call_kind()) { // the meaning and allowed value of index depends on kind |
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|
194 |
case CallInfo::direct_call: |
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|
195 |
if (_call_index == Method::nonvirtual_vtable_index) break; |
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196 |
// else fall through to check vtable index: |
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|
197 |
case CallInfo::vtable_call: |
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|
198 |
assert(resolved_klass()->verify_vtable_index(_call_index), ""); |
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|
199 |
break; |
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|
200 |
case CallInfo::itable_call: |
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|
201 |
assert(resolved_method()->method_holder()->verify_itable_index(_call_index), ""); |
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|
202 |
break; |
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changeset
|
203 |
case CallInfo::unknown_kind: |
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|
204 |
assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set"); |
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|
205 |
break; |
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|
206 |
default: |
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|
207 |
fatal(err_msg_res("Unexpected call kind %d", call_kind())); |
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|
208 |
} |
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|
209 |
} |
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|
210 |
#endif //ASSERT |
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|
211 |
|
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|
212 |
|
1 | 213 |
|
214 |
//------------------------------------------------------------------------------------------------------------------------ |
|
215 |
// Klass resolution |
|
216 |
||
217 |
void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) { |
|
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218 |
if (!Reflection::verify_class_access(ref_klass(), |
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|
219 |
sel_klass(), |
1 | 220 |
true)) { |
221 |
ResourceMark rm(THREAD); |
|
222 |
Exceptions::fthrow( |
|
223 |
THREAD_AND_LOCATION, |
|
8076
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|
224 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 225 |
"tried to access class %s from class %s", |
226 |
sel_klass->external_name(), |
|
227 |
ref_klass->external_name() |
|
228 |
); |
|
229 |
return; |
|
230 |
} |
|
231 |
} |
|
232 |
||
233 |
void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { |
|
13728
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|
234 |
Klass* result_oop = pool->klass_ref_at(index, CHECK); |
1 | 235 |
result = KlassHandle(THREAD, result_oop); |
236 |
} |
|
237 |
||
238 |
//------------------------------------------------------------------------------------------------------------------------ |
|
239 |
// Method resolution |
|
240 |
// |
|
241 |
// According to JVM spec. $5.4.3c & $5.4.3d |
|
242 |
||
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|
243 |
// Look up method in klasses, including static methods |
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|
244 |
// Then look up local default methods |
22219
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|
245 |
void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, bool in_imethod_resolve, TRAPS) { |
23999
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8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
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|
246 |
// Ignore overpasses so statics can be found during resolution |
22eb7be3d99d
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|
247 |
Method* result_oop = klass->uncached_lookup_method(name, signature, Klass::skip_overpass); |
22219
4bfd5df70189
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|
248 |
|
4bfd5df70189
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changeset
|
249 |
// JDK 8, JVMS 5.4.3.4: Interface method resolution should |
4bfd5df70189
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|
250 |
// ignore static and non-public methods of java.lang.Object, |
4bfd5df70189
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|
251 |
// like clone, finalize, registerNatives. |
4bfd5df70189
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changeset
|
252 |
if (in_imethod_resolve && |
4bfd5df70189
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|
253 |
result_oop != NULL && |
4bfd5df70189
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changeset
|
254 |
klass->is_interface() && |
4bfd5df70189
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changeset
|
255 |
(result_oop->is_static() || !result_oop->is_public()) && |
4bfd5df70189
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diff
changeset
|
256 |
result_oop->method_holder() == SystemDictionary::Object_klass()) { |
4bfd5df70189
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|
257 |
result_oop = NULL; |
4bfd5df70189
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hseigel
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diff
changeset
|
258 |
} |
4bfd5df70189
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diff
changeset
|
259 |
|
23999
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diff
changeset
|
260 |
// Before considering default methods, check for an overpass in the |
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
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parents:
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diff
changeset
|
261 |
// current class if a method has not been found. |
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
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diff
changeset
|
262 |
if (result_oop == NULL) { |
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
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diff
changeset
|
263 |
result_oop = InstanceKlass::cast(klass())->find_method(name, signature); |
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
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diff
changeset
|
264 |
} |
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
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diff
changeset
|
265 |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
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diff
changeset
|
266 |
if (result_oop == NULL) { |
7b146c5ebb18
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diff
changeset
|
267 |
Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods(); |
7b146c5ebb18
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diff
changeset
|
268 |
if (default_methods != NULL) { |
7b146c5ebb18
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changeset
|
269 |
result_oop = InstanceKlass::find_method(default_methods, name, signature); |
7b146c5ebb18
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diff
changeset
|
270 |
} |
7b146c5ebb18
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parents:
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diff
changeset
|
271 |
} |
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diff
changeset
|
272 |
|
24322 | 273 |
if (checkpolymorphism && result_oop != NULL) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
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diff
changeset
|
274 |
vmIntrinsics::ID iid = result_oop->intrinsic_id(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff
changeset
|
275 |
if (MethodHandles::is_signature_polymorphic(iid)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff
changeset
|
276 |
// Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method. |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
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diff
changeset
|
277 |
return; |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
278 |
} |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
279 |
} |
1 | 280 |
result = methodHandle(THREAD, result_oop); |
281 |
} |
|
282 |
||
283 |
// returns first instance method |
|
20391
7b146c5ebb18
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acorn
parents:
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diff
changeset
|
284 |
// Looks up method in classes, then looks up local default methods |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
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diff
changeset
|
285 |
void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
23999
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
parents:
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diff
changeset
|
286 |
Method* result_oop = klass->uncached_lookup_method(name, signature, Klass::normal); |
1 | 287 |
result = methodHandle(THREAD, result_oop); |
21067
5288d9ba4f49
8024804: Crash when InterfaceMethodref resolves to Object.registerNatives
hseigel
parents:
20685
diff
changeset
|
288 |
while (!result.is_null() && result->is_static() && result->method_holder()->super() != NULL) { |
21913
0e2fd7282ac6
8028438: static superclass method masks default methods
acorn
parents:
21912
diff
changeset
|
289 |
KlassHandle super_klass = KlassHandle(THREAD, result->method_holder()->super()); |
23999
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
parents:
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diff
changeset
|
290 |
result = methodHandle(THREAD, super_klass->uncached_lookup_method(name, signature, Klass::normal)); |
1 | 291 |
} |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
292 |
|
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
293 |
if (result.is_null()) { |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
294 |
Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods(); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
295 |
if (default_methods != NULL) { |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
296 |
result = methodHandle(InstanceKlass::find_method(default_methods, name, signature)); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
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diff
changeset
|
297 |
assert(result.is_null() || !result->is_static(), "static defaults not allowed"); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
298 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
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diff
changeset
|
299 |
} |
1 | 300 |
} |
301 |
||
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
302 |
int LinkResolver::vtable_index_of_interface_method(KlassHandle klass, |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
303 |
methodHandle resolved_method) { |
1 | 304 |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
305 |
int vtable_index = Method::invalid_vtable_index; |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
306 |
Symbol* name = resolved_method->name(); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
307 |
Symbol* signature = resolved_method->signature(); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
308 |
|
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
309 |
// First check in default method array |
22232
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if (!resolved_method->is_abstract() && |
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(InstanceKlass::cast(klass())->default_methods() != NULL)) { |
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int index = InstanceKlass::find_method_index(InstanceKlass::cast(klass())->default_methods(), name, signature, false); |
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if (index >= 0 ) { |
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vtable_index = InstanceKlass::cast(klass())->default_vtable_indices()->at(index); |
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|
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} |
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|
316 |
} |
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|
317 |
if (vtable_index == Method::invalid_vtable_index) { |
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// get vtable_index for miranda methods |
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319 |
ResourceMark rm; |
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klassVtable *vt = InstanceKlass::cast(klass())->vtable(); |
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vtable_index = vt->index_of_miranda(name, signature); |
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|
322 |
} |
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323 |
return vtable_index; |
1 | 324 |
} |
325 |
||
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|
326 |
void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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327 |
InstanceKlass *ik = InstanceKlass::cast(klass()); |
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|
328 |
|
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|
329 |
// Specify 'true' in order to skip default methods when searching the |
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|
330 |
// interfaces. Function lookup_method_in_klasses() already looked for |
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|
331 |
// the method in the default methods table. |
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|
332 |
result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature, Klass::skip_defaults)); |
1 | 333 |
} |
334 |
||
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|
335 |
void LinkResolver::lookup_polymorphic_method(methodHandle& result, |
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|
336 |
KlassHandle klass, Symbol* name, Symbol* full_signature, |
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|
337 |
KlassHandle current_klass, |
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|
338 |
Handle *appendix_result_or_null, |
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|
339 |
Handle *method_type_result, |
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|
340 |
TRAPS) { |
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|
341 |
vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name); |
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|
342 |
if (TraceMethodHandles) { |
16691 | 343 |
ResourceMark rm(THREAD); |
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|
344 |
tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s", |
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|
345 |
vmIntrinsics::name_at(iid), klass->external_name(), |
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|
346 |
name->as_C_string(), full_signature->as_C_string()); |
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|
347 |
} |
24322 | 348 |
if (klass() == SystemDictionary::MethodHandle_klass() && |
13391
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|
349 |
iid != vmIntrinsics::_none) { |
30245956af37
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|
350 |
if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) { |
30245956af37
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|
351 |
// Most of these do not need an up-call to Java to resolve, so can be done anywhere. |
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|
352 |
// Do not erase last argument type (MemberName) if it is a static linkTo method. |
30245956af37
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|
353 |
bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid); |
30245956af37
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|
354 |
TempNewSymbol basic_signature = |
30245956af37
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changeset
|
355 |
MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK); |
30245956af37
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|
356 |
if (TraceMethodHandles) { |
16691 | 357 |
ResourceMark rm(THREAD); |
13391
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|
358 |
tty->print_cr("lookup_polymorphic_method %s %s => basic %s", |
30245956af37
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|
359 |
name->as_C_string(), |
30245956af37
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changeset
|
360 |
full_signature->as_C_string(), |
30245956af37
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changeset
|
361 |
basic_signature->as_C_string()); |
30245956af37
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diff
changeset
|
362 |
} |
30245956af37
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changeset
|
363 |
result = SystemDictionary::find_method_handle_intrinsic(iid, |
30245956af37
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diff
changeset
|
364 |
basic_signature, |
30245956af37
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parents:
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diff
changeset
|
365 |
CHECK); |
30245956af37
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diff
changeset
|
366 |
if (result.not_null()) { |
30245956af37
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parents:
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changeset
|
367 |
assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic"); |
30245956af37
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|
368 |
assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this"); |
30245956af37
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|
369 |
assert(basic_signature == result->signature(), "predict the result signature"); |
30245956af37
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|
370 |
if (TraceMethodHandles) { |
30245956af37
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changeset
|
371 |
tty->print("lookup_polymorphic_method => intrinsic "); |
30245956af37
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|
372 |
result->print_on(tty); |
30245956af37
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diff
changeset
|
373 |
} |
30245956af37
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diff
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|
374 |
return; |
6062
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
375 |
} |
13391
30245956af37
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|
376 |
} else if (iid == vmIntrinsics::_invokeGeneric |
30245956af37
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|
377 |
&& !THREAD->is_Compiler_thread() |
30245956af37
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|
378 |
&& appendix_result_or_null != NULL) { |
30245956af37
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|
379 |
// This is a method with type-checking semantics. |
30245956af37
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|
380 |
// We will ask Java code to spin an adapter method for it. |
30245956af37
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diff
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|
381 |
if (!MethodHandles::enabled()) { |
30245956af37
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twisti
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diff
changeset
|
382 |
// Make sure the Java part of the runtime has been booted up. |
13728
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changeset
|
383 |
Klass* natives = SystemDictionary::MethodHandleNatives_klass(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
384 |
if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
385 |
SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
386 |
Handle(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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10565
diff
changeset
|
387 |
Handle(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff
changeset
|
388 |
true, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
389 |
CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
390 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
391 |
} |
30245956af37
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twisti
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diff
changeset
|
392 |
|
30245956af37
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twisti
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diff
changeset
|
393 |
Handle appendix; |
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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13732
diff
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|
394 |
Handle method_type; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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10565
diff
changeset
|
395 |
result = SystemDictionary::find_method_handle_invoker(name, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff
changeset
|
396 |
full_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
397 |
current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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10565
diff
changeset
|
398 |
&appendix, |
13929
8da0dc50a6e4
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parents:
13732
diff
changeset
|
399 |
&method_type, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
400 |
CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
401 |
if (TraceMethodHandles) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
402 |
tty->print("lookup_polymorphic_method => (via Java) "); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
403 |
result->print_on(tty); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
404 |
tty->print(" lookup_polymorphic_method => appendix = "); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
405 |
if (appendix.is_null()) tty->print_cr("(none)"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
406 |
else appendix->print_on(tty); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
407 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
408 |
if (result.not_null()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
409 |
#ifdef ASSERT |
16691 | 410 |
ResourceMark rm(THREAD); |
411 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff
changeset
|
412 |
TempNewSymbol basic_signature = |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
413 |
MethodHandles::lookup_basic_type_signature(full_signature, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
414 |
int actual_size_of_params = result->size_of_parameters(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
415 |
int expected_size_of_params = ArgumentSizeComputer(basic_signature).size(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
416 |
// +1 for MethodHandle.this, +1 for trailing MethodType |
30245956af37
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twisti
parents:
10565
diff
changeset
|
417 |
if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
418 |
if (appendix.not_null()) expected_size_of_params += 1; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
419 |
if (actual_size_of_params != expected_size_of_params) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
420 |
tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
421 |
tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
422 |
result->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
423 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
424 |
assert(actual_size_of_params == expected_size_of_params, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
425 |
err_msg("%d != %d", actual_size_of_params, expected_size_of_params)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
426 |
#endif //ASSERT |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
427 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
428 |
assert(appendix_result_or_null != NULL, ""); |
30245956af37
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twisti
parents:
10565
diff
changeset
|
429 |
(*appendix_result_or_null) = 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
|
430 |
(*method_type_result) = method_type; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
431 |
return; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
432 |
} |
2534 | 433 |
} |
434 |
} |
|
435 |
} |
|
436 |
||
1 | 437 |
void LinkResolver::check_method_accessability(KlassHandle ref_klass, |
438 |
KlassHandle resolved_klass, |
|
439 |
KlassHandle sel_klass, |
|
440 |
methodHandle sel_method, |
|
441 |
TRAPS) { |
|
442 |
||
443 |
AccessFlags flags = sel_method->access_flags(); |
|
444 |
||
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
445 |
// Special case: arrays always override "clone". JVMS 2.15. |
1 | 446 |
// If the resolved klass is an array class, and the declaring class |
447 |
// is java.lang.Object and the method is "clone", set the flags |
|
448 |
// to public. |
|
449 |
// |
|
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
450 |
// We'll check for the method name first, as that's most likely |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
451 |
// to be false (so we'll short-circuit out of these tests). |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
452 |
if (sel_method->name() == vmSymbols::clone_name() && |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
453 |
sel_klass() == SystemDictionary::Object_klass() && |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
454 |
resolved_klass->oop_is_array()) { |
1 | 455 |
// We need to change "protected" to "public". |
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
456 |
assert(flags.is_protected(), "clone not protected?"); |
1 | 457 |
jint new_flags = flags.as_int(); |
458 |
new_flags = new_flags & (~JVM_ACC_PROTECTED); |
|
459 |
new_flags = new_flags | JVM_ACC_PUBLIC; |
|
460 |
flags.set_flags(new_flags); |
|
461 |
} |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
462 |
// assert(extra_arg_result_or_null != NULL, "must be able to return extra argument"); |
1 | 463 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
464 |
if (!Reflection::verify_field_access(ref_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
465 |
resolved_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
466 |
sel_klass(), |
1 | 467 |
flags, |
468 |
true)) { |
|
469 |
ResourceMark rm(THREAD); |
|
470 |
Exceptions::fthrow( |
|
471 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
472 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 473 |
"tried to access method %s.%s%s from class %s", |
474 |
sel_klass->external_name(), |
|
475 |
sel_method->name()->as_C_string(), |
|
476 |
sel_method->signature()->as_C_string(), |
|
477 |
ref_klass->external_name() |
|
478 |
); |
|
479 |
return; |
|
480 |
} |
|
481 |
} |
|
482 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
483 |
void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
484 |
Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) { |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
485 |
// This method is used only |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
486 |
// (1) in C2 from InlineTree::ok_to_inline (via ciMethod::check_call), |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
487 |
// and |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
488 |
// (2) in Bytecode_invoke::static_target |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
489 |
// It appears to fail when applied to an invokeinterface call site. |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
490 |
// FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points. |
1 | 491 |
// resolve klass |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
492 |
if (code == Bytecodes::_invokedynamic) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
493 |
resolved_klass = SystemDictionary::MethodHandle_klass(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
494 |
Symbol* method_name = vmSymbols::invoke_name(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
495 |
Symbol* method_signature = pool->signature_ref_at(index); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
496 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
497 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
498 |
return; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
499 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
500 |
|
1 | 501 |
resolve_klass(resolved_klass, pool, index, CHECK); |
502 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
503 |
Symbol* method_name = pool->name_ref_at(index); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
504 |
Symbol* method_signature = pool->signature_ref_at(index); |
1 | 505 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
506 |
||
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
507 |
if (pool->has_preresolution() |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
508 |
|| (resolved_klass() == SystemDictionary::MethodHandle_klass() && |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
509 |
MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
510 |
Method* result_oop = ConstantPool::method_at_if_loaded(pool, index); |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
511 |
if (result_oop != NULL) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
512 |
resolved_method = methodHandle(THREAD, result_oop); |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
513 |
return; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
514 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
515 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
516 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
517 |
if (code == Bytecodes::_invokeinterface) { |
21912 | 518 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
519 |
} else if (code == Bytecodes::_invokevirtual) { |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
520 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
21912 | 521 |
} else if (!resolved_klass->is_interface()) { |
522 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
523 |
} else { |
21912 | 524 |
bool nostatics = (code == Bytecodes::_invokestatic) ? false : true; |
525 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, nostatics, CHECK); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
526 |
} |
1 | 527 |
} |
528 |
||
529 |
void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
530 |
Symbol* method_name, Symbol* method_signature, |
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
531 |
KlassHandle current_klass, bool check_access, |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
532 |
bool require_methodref, TRAPS) { |
1 | 533 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
534 |
Handle nested_exception; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
535 |
|
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
536 |
// 1. check if methodref required, that resolved_klass is not interfacemethodref |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
537 |
if (require_methodref && resolved_klass->is_interface()) { |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
538 |
ResourceMark rm(THREAD); |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
539 |
char buf[200]; |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
540 |
jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
541 |
resolved_klass()->external_name()); |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
542 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
543 |
} |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
544 |
|
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
545 |
// 2. lookup method in resolved klass and its super klasses |
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
546 |
lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, true, false, CHECK); |
1 | 547 |
|
548 |
if (resolved_method.is_null()) { // not found in the class hierarchy |
|
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
549 |
// 3. lookup method in all the interfaces implemented by the resolved klass |
1 | 550 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
551 |
||
552 |
if (resolved_method.is_null()) { |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
553 |
// JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
554 |
lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature, |
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
|
555 |
current_klass, (Handle*)NULL, (Handle*)NULL, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
556 |
if (HAS_PENDING_EXCEPTION) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
557 |
nested_exception = Handle(THREAD, PENDING_EXCEPTION); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
558 |
CLEAR_PENDING_EXCEPTION; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
559 |
} |
2534 | 560 |
} |
561 |
||
562 |
if (resolved_method.is_null()) { |
|
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
563 |
// 4. method lookup failed |
1 | 564 |
ResourceMark rm(THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
565 |
THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(), |
14488 | 566 |
Method::name_and_sig_as_C_string(resolved_klass(), |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
567 |
method_name, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
568 |
method_signature), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
569 |
nested_exception); |
1 | 570 |
} |
571 |
} |
|
572 |
||
22739
74105c330330
8032010: Attempt to resolve abstract method in concrete class fails with AbstractMethodError
ccheung
parents:
22521
diff
changeset
|
573 |
// 5. access checks, access checking may be turned off when calling from within the VM. |
1 | 574 |
if (check_access) { |
575 |
assert(current_klass.not_null() , "current_klass should not be null"); |
|
576 |
||
577 |
// check if method can be accessed by the referring class |
|
578 |
check_method_accessability(current_klass, |
|
579 |
resolved_klass, |
|
580 |
KlassHandle(THREAD, resolved_method->method_holder()), |
|
581 |
resolved_method, |
|
582 |
CHECK); |
|
583 |
||
584 |
// check loader constraints |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
585 |
Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
14385
diff
changeset
|
586 |
Handle class_loader (THREAD, resolved_method->method_holder()->class_loader()); |
1 | 587 |
{ |
588 |
ResourceMark rm(THREAD); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
589 |
Symbol* failed_type_symbol = |
1 | 590 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
591 |
class_loader, true, CHECK); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
592 |
if (failed_type_symbol != NULL) { |
1 | 593 |
const char* msg = "loader constraint violation: when resolving method" |
594 |
" \"%s\" the class loader (instance of %s) of the current class, %s," |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
595 |
" and the class loader (instance of %s) for the method's defining class, %s, have" |
1 | 596 |
" different Class objects for the type %s used in the signature"; |
14488 | 597 |
char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature); |
1 | 598 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
599 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 600 |
const char* loader2 = SystemDictionary::loader_name(class_loader()); |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
601 |
char* target = InstanceKlass::cast(resolved_method->method_holder()) |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
602 |
->name()->as_C_string(); |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
603 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
1 | 604 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
605 |
strlen(current) + strlen(loader2) + strlen(target) + |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
606 |
strlen(failed_type_name) + 1; |
1 | 607 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
608 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
609 |
target, failed_type_name); |
1 | 610 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
611 |
} |
|
612 |
} |
|
613 |
} |
|
614 |
} |
|
615 |
||
616 |
void LinkResolver::resolve_interface_method(methodHandle& resolved_method, |
|
617 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
618 |
Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
619 |
Symbol* method_signature, |
1 | 620 |
KlassHandle current_klass, |
21912 | 621 |
bool check_access, |
622 |
bool nostatics, TRAPS) { |
|
1 | 623 |
|
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
624 |
// check if klass is interface |
1 | 625 |
if (!resolved_klass->is_interface()) { |
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
626 |
ResourceMark rm(THREAD); |
1 | 627 |
char buf[200]; |
14488 | 628 |
jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name()); |
1 | 629 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
630 |
} |
|
631 |
||
632 |
// lookup method in this interface or its super, java.lang.Object |
|
21912 | 633 |
// JDK8: also look for static methods |
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
634 |
lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, false, true, CHECK); |
1 | 635 |
|
636 |
if (resolved_method.is_null()) { |
|
637 |
// lookup method in all the super-interfaces |
|
638 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
639 |
if (resolved_method.is_null()) { |
|
640 |
// no method found |
|
641 |
ResourceMark rm(THREAD); |
|
642 |
THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), |
|
14488 | 643 |
Method::name_and_sig_as_C_string(resolved_klass(), |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
644 |
method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
645 |
method_signature)); |
1 | 646 |
} |
647 |
} |
|
648 |
||
649 |
if (check_access) { |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
650 |
// JDK8 adds non-public interface methods, and accessability check requirement |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
651 |
assert(current_klass.not_null() , "current_klass should not be null"); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
652 |
|
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
653 |
// check if method can be accessed by the referring class |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
654 |
check_method_accessability(current_klass, |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
655 |
resolved_klass, |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
656 |
KlassHandle(THREAD, resolved_method->method_holder()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
657 |
resolved_method, |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
658 |
CHECK); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
659 |
|
1 | 660 |
HandleMark hm(THREAD); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
661 |
Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
14385
diff
changeset
|
662 |
Handle class_loader (THREAD, resolved_method->method_holder()->class_loader()); |
1 | 663 |
{ |
664 |
ResourceMark rm(THREAD); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
665 |
Symbol* failed_type_symbol = |
1 | 666 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
667 |
class_loader, true, CHECK); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
668 |
if (failed_type_symbol != NULL) { |
1 | 669 |
const char* msg = "loader constraint violation: when resolving " |
670 |
"interface method \"%s\" the class loader (instance of %s) of the " |
|
671 |
"current class, %s, and the class loader (instance of %s) for " |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
672 |
"the method's defining class, %s, have different Class objects for the type %s " |
1 | 673 |
"used in the signature"; |
14488 | 674 |
char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature); |
1 | 675 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
676 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 677 |
const char* loader2 = SystemDictionary::loader_name(class_loader()); |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
678 |
char* target = InstanceKlass::cast(resolved_method->method_holder()) |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
679 |
->name()->as_C_string(); |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
680 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
1 | 681 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
682 |
strlen(current) + strlen(loader2) + strlen(target) + |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
683 |
strlen(failed_type_name) + 1; |
1 | 684 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
685 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
686 |
target, failed_type_name); |
1 | 687 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
688 |
} |
|
689 |
} |
|
690 |
} |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
691 |
|
22521
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
692 |
if (nostatics && resolved_method->is_static()) { |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
693 |
ResourceMark rm(THREAD); |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
694 |
char buf[200]; |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
695 |
jio_snprintf(buf, sizeof(buf), "Expected instance not static method %s", |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
696 |
Method::name_and_sig_as_C_string(resolved_klass(), |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
697 |
resolved_method->name(), resolved_method->signature())); |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
698 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
699 |
} |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
700 |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
701 |
if (TraceItables && Verbose) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
702 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
703 |
tty->print("invokeinterface resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ", |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
704 |
(current_klass.is_null() ? "<NULL>" : current_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
705 |
(resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
706 |
Method::name_and_sig_as_C_string(resolved_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
707 |
resolved_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
708 |
resolved_method->signature()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
709 |
resolved_method->method_holder()->internal_name() |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
710 |
); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
711 |
resolved_method->access_flags().print_on(tty); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
712 |
if (resolved_method->is_default_method()) { |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
713 |
tty->print("default "); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
714 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
715 |
if (resolved_method->is_overpass()) { |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
716 |
tty->print("overpass"); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
717 |
} |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
718 |
tty->cr(); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
719 |
} |
1 | 720 |
} |
721 |
||
722 |
//------------------------------------------------------------------------------------------------------------------------ |
|
723 |
// Field resolution |
|
724 |
||
725 |
void LinkResolver::check_field_accessability(KlassHandle ref_klass, |
|
726 |
KlassHandle resolved_klass, |
|
727 |
KlassHandle sel_klass, |
|
728 |
fieldDescriptor& fd, |
|
729 |
TRAPS) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
730 |
if (!Reflection::verify_field_access(ref_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
731 |
resolved_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
732 |
sel_klass(), |
1 | 733 |
fd.access_flags(), |
734 |
true)) { |
|
735 |
ResourceMark rm(THREAD); |
|
736 |
Exceptions::fthrow( |
|
737 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
738 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 739 |
"tried to access field %s.%s from class %s", |
740 |
sel_klass->external_name(), |
|
741 |
fd.name()->as_C_string(), |
|
742 |
ref_klass->external_name() |
|
743 |
); |
|
744 |
return; |
|
745 |
} |
|
746 |
} |
|
747 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
748 |
void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
749 |
// Load these early in case the resolve of the containing klass fails |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
750 |
Symbol* field = pool->name_ref_at(index); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
751 |
Symbol* sig = pool->signature_ref_at(index); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
752 |
|
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
753 |
// resolve specified klass |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
754 |
KlassHandle resolved_klass; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
755 |
resolve_klass(resolved_klass, pool, index, CHECK); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
756 |
|
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
757 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
758 |
resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK); |
1 | 759 |
} |
760 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
761 |
void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig, |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
762 |
KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class, |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
763 |
TRAPS) { |
1 | 764 |
assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic || |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
765 |
byte == Bytecodes::_getfield || byte == Bytecodes::_putfield || |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
766 |
(byte == Bytecodes::_nop && !check_access), "bad field access bytecode"); |
1 | 767 |
|
768 |
bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); |
|
769 |
bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic); |
|
770 |
||
771 |
// Check if there's a resolved klass containing the field |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
772 |
if (resolved_klass.is_null()) { |
1 | 773 |
ResourceMark rm(THREAD); |
774 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
775 |
} |
|
776 |
||
777 |
// Resolve instance field |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
778 |
KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); |
1 | 779 |
// check if field exists; i.e., if a klass containing the field def has been selected |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
780 |
if (sel_klass.is_null()) { |
1 | 781 |
ResourceMark rm(THREAD); |
782 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
783 |
} |
|
784 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
785 |
if (!check_access) |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
786 |
// Access checking may be turned off when calling from within the VM. |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
787 |
return; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
788 |
|
1 | 789 |
// check access |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
790 |
check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK); |
1 | 791 |
|
792 |
// check for errors |
|
793 |
if (is_static != fd.is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
794 |
ResourceMark rm(THREAD); |
1 | 795 |
char msg[200]; |
14488 | 796 |
jio_snprintf(msg, sizeof(msg), "Expected %s field %s.%s", is_static ? "static" : "non-static", resolved_klass()->external_name(), fd.name()->as_C_string()); |
1 | 797 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); |
798 |
} |
|
799 |
||
800 |
// Final fields can only be accessed from its own class. |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
801 |
if (is_put && fd.access_flags().is_final() && sel_klass() != current_klass()) { |
1 | 802 |
THROW(vmSymbols::java_lang_IllegalAccessError()); |
803 |
} |
|
804 |
||
805 |
// initialize resolved_klass if necessary |
|
806 |
// note 1: the klass which declared the field must be initialized (i.e, sel_klass) |
|
807 |
// according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) |
|
808 |
// |
|
809 |
// note 2: we don't want to force initialization if we are just checking |
|
810 |
// if the field access is legal; e.g., during compilation |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
811 |
if (is_static && initialize_class) { |
1 | 812 |
sel_klass->initialize(CHECK); |
813 |
} |
|
814 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
815 |
if (sel_klass() != current_klass()) { |
1 | 816 |
HandleMark hm(THREAD); |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
817 |
Handle ref_loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
818 |
Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader()); |
1 | 819 |
{ |
820 |
ResourceMark rm(THREAD); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
821 |
Symbol* failed_type_symbol = |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
822 |
SystemDictionary::check_signature_loaders(sig, |
1 | 823 |
ref_loader, sel_loader, |
824 |
false, |
|
825 |
CHECK); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
826 |
if (failed_type_symbol != NULL) { |
1 | 827 |
const char* msg = "loader constraint violation: when resolving field" |
828 |
" \"%s\" the class loader (instance of %s) of the referring class, " |
|
829 |
"%s, and the class loader (instance of %s) for the field's resolved " |
|
830 |
"type, %s, have different Class objects for that type"; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
831 |
char* field_name = field->as_C_string(); |
1 | 832 |
const char* loader1 = SystemDictionary::loader_name(ref_loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
833 |
char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string(); |
1 | 834 |
const char* loader2 = SystemDictionary::loader_name(sel_loader()); |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
835 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
1 | 836 |
size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) + |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
837 |
strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1; |
1 | 838 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
839 |
jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2, |
|
840 |
failed_type_name); |
|
841 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
842 |
} |
|
843 |
} |
|
844 |
} |
|
845 |
||
846 |
// return information. note that the klass is set to the actual klass containing the |
|
847 |
// field, otherwise access of static fields in superclasses will not work. |
|
848 |
} |
|
849 |
||
850 |
||
851 |
//------------------------------------------------------------------------------------------------------------------------ |
|
852 |
// Invoke resolution |
|
853 |
// |
|
854 |
// Naming conventions: |
|
855 |
// |
|
856 |
// resolved_method the specified method (i.e., static receiver specified via constant pool index) |
|
857 |
// sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) |
|
858 |
// resolved_klass the specified klass (i.e., specified via constant pool index) |
|
859 |
// recv_klass the receiver klass |
|
860 |
||
861 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
862 |
void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
863 |
Symbol* method_signature, KlassHandle current_klass, |
1 | 864 |
bool check_access, bool initialize_class, TRAPS) { |
865 |
methodHandle resolved_method; |
|
866 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
14488 | 867 |
resolved_klass = KlassHandle(THREAD, resolved_method->method_holder()); |
1 | 868 |
|
869 |
// Initialize klass (this should only happen if everything is ok) |
|
870 |
if (initialize_class && resolved_klass->should_be_initialized()) { |
|
871 |
resolved_klass->initialize(CHECK); |
|
872 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
873 |
} |
|
874 |
||
875 |
// setup result |
|
876 |
result.set_static(resolved_klass, resolved_method, CHECK); |
|
877 |
} |
|
878 |
||
879 |
// throws linktime exceptions |
|
880 |
void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
881 |
Symbol* method_name, Symbol* method_signature, |
1 | 882 |
KlassHandle current_klass, bool check_access, TRAPS) { |
883 |
||
21912 | 884 |
if (!resolved_klass->is_interface()) { |
885 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK); |
|
886 |
} else { |
|
887 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK); |
|
888 |
} |
|
1 | 889 |
assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); |
890 |
||
891 |
// check if static |
|
892 |
if (!resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
893 |
ResourceMark rm(THREAD); |
1 | 894 |
char buf[200]; |
14488 | 895 |
jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 896 |
resolved_method->name(), |
897 |
resolved_method->signature())); |
|
898 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
899 |
} |
|
900 |
} |
|
901 |
||
902 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
903 |
void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
904 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 905 |
methodHandle resolved_method; |
906 |
linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
907 |
runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK); |
|
908 |
} |
|
909 |
||
910 |
// throws linktime exceptions |
|
911 |
void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
912 |
Symbol* method_name, Symbol* method_signature, |
1 | 913 |
KlassHandle current_klass, bool check_access, TRAPS) { |
914 |
||
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
915 |
// Invokespecial is called for multiple special reasons: |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
916 |
// <init> |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
917 |
// local private method invocation, for classes and interfaces |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
918 |
// superclass.method, which can also resolve to a default method |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
919 |
// and the selected method is recalculated relative to the direct superclass |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
920 |
// superinterface.method, which explicitly does not check shadowing |
14385 | 921 |
|
21912 | 922 |
if (!resolved_klass->is_interface()) { |
923 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK); |
|
924 |
} else { |
|
925 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK); |
|
926 |
} |
|
1 | 927 |
|
928 |
// check if method name is <init>, that it is found in same klass as static type |
|
929 |
if (resolved_method->name() == vmSymbols::object_initializer_name() && |
|
930 |
resolved_method->method_holder() != resolved_klass()) { |
|
931 |
ResourceMark rm(THREAD); |
|
932 |
Exceptions::fthrow( |
|
933 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
934 |
vmSymbols::java_lang_NoSuchMethodError(), |
1 | 935 |
"%s: method %s%s not found", |
936 |
resolved_klass->external_name(), |
|
937 |
resolved_method->name()->as_C_string(), |
|
938 |
resolved_method->signature()->as_C_string() |
|
939 |
); |
|
940 |
return; |
|
941 |
} |
|
942 |
||
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
943 |
// check if invokespecial's interface method reference is in an indirect superinterface |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
944 |
if (!current_klass.is_null() && resolved_klass->is_interface()) { |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
945 |
Klass *klass_to_check = !InstanceKlass::cast(current_klass())->is_anonymous() ? |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
946 |
current_klass() : |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
947 |
InstanceKlass::cast(current_klass())->host_klass(); |
25057 | 948 |
// Disable verification for the dynamically-generated reflection bytecodes. |
949 |
bool is_reflect = klass_to_check->is_subclass_of( |
|
22218
71cff6a30ec1
8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents:
21913
diff
changeset
|
950 |
SystemDictionary::reflect_MagicAccessorImpl_klass()); |
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
951 |
|
22218
71cff6a30ec1
8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents:
21913
diff
changeset
|
952 |
if (!is_reflect && |
71cff6a30ec1
8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents:
21913
diff
changeset
|
953 |
!InstanceKlass::cast(klass_to_check)->is_same_or_direct_interface(resolved_klass())) { |
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
954 |
ResourceMark rm(THREAD); |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
955 |
char buf[200]; |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
956 |
jio_snprintf(buf, sizeof(buf), |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
957 |
"Interface method reference: %s, is in an indirect superinterface of %s", |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
958 |
Method::name_and_sig_as_C_string(resolved_klass(), |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
959 |
resolved_method->name(), |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
960 |
resolved_method->signature()), |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
961 |
current_klass->external_name()); |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
962 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
963 |
} |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
964 |
} |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
965 |
|
1 | 966 |
// check if not static |
967 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
968 |
ResourceMark rm(THREAD); |
1 | 969 |
char buf[200]; |
970 |
jio_snprintf(buf, sizeof(buf), |
|
971 |
"Expecting non-static method %s", |
|
14488 | 972 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 973 |
resolved_method->name(), |
974 |
resolved_method->signature())); |
|
975 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
976 |
} |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
977 |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
978 |
if (TraceItables && Verbose) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
979 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
980 |
tty->print("invokespecial resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ", |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
981 |
(current_klass.is_null() ? "<NULL>" : current_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
982 |
(resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
983 |
Method::name_and_sig_as_C_string(resolved_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
984 |
resolved_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
985 |
resolved_method->signature()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
986 |
resolved_method->method_holder()->internal_name() |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
987 |
); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
988 |
resolved_method->access_flags().print_on(tty); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
989 |
if (resolved_method->is_default_method()) { |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
990 |
tty->print("default "); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
991 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
992 |
if (resolved_method->is_overpass()) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
993 |
tty->print("overpass"); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
994 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
995 |
tty->cr(); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
996 |
} |
1 | 997 |
} |
998 |
||
999 |
// throws runtime exceptions |
|
1000 |
void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
1001 |
KlassHandle current_klass, bool check_access, TRAPS) { |
|
1002 |
||
1003 |
// resolved method is selected method unless we have an old-style lookup |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1004 |
// for a superclass method |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1005 |
// Invokespecial for a superinterface, resolved method is selected method, |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1006 |
// no checks for shadowing |
1 | 1007 |
methodHandle sel_method(THREAD, resolved_method()); |
1008 |
||
1009 |
// check if this is an old-style super call and do a new lookup if so |
|
1010 |
{ KlassHandle method_klass = KlassHandle(THREAD, |
|
1011 |
resolved_method->method_holder()); |
|
1012 |
||
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1013 |
if (check_access && |
1 | 1014 |
// a) check if ACC_SUPER flag is set for the current class |
15918 | 1015 |
(current_klass->is_super() || !AllowNonVirtualCalls) && |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1016 |
// b) check if the class of the resolved_klass is a superclass |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1017 |
// (not supertype in order to exclude interface classes) of the current class. |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1018 |
// This check is not performed for super.invoke for interface methods |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1019 |
// in super interfaces. |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1020 |
current_klass->is_subclass_of(resolved_klass()) && |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1021 |
current_klass() != resolved_klass() && |
1 | 1022 |
// c) check if the method is not <init> |
1023 |
resolved_method->name() != vmSymbols::object_initializer_name()) { |
|
1024 |
// Lookup super method |
|
1025 |
KlassHandle super_klass(THREAD, current_klass->super()); |
|
1026 |
lookup_instance_method_in_klasses(sel_method, super_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1027 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1028 |
resolved_method->signature(), CHECK); |
1 | 1029 |
// check if found |
1030 |
if (sel_method.is_null()) { |
|
1031 |
ResourceMark rm(THREAD); |
|
1032 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1033 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1034 |
resolved_method->name(), |
1035 |
resolved_method->signature())); |
|
1036 |
} |
|
1037 |
} |
|
1038 |
} |
|
1039 |
||
1040 |
// check if not static |
|
1041 |
if (sel_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1042 |
ResourceMark rm(THREAD); |
1 | 1043 |
char buf[200]; |
14488 | 1044 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1045 |
resolved_method->name(), |
1046 |
resolved_method->signature())); |
|
1047 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
1048 |
} |
|
1049 |
||
1050 |
// check if abstract |
|
1051 |
if (sel_method->is_abstract()) { |
|
1052 |
ResourceMark rm(THREAD); |
|
1053 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1054 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1055 |
sel_method->name(), |
1056 |
sel_method->signature())); |
|
1057 |
} |
|
1058 |
||
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1059 |
if (TraceItables && Verbose) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1060 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1061 |
tty->print("invokespecial selected method: resolved-class:%s, method:%s, method_holder:%s, access_flags: ", |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1062 |
(resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1063 |
Method::name_and_sig_as_C_string(resolved_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1064 |
sel_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1065 |
sel_method->signature()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1066 |
sel_method->method_holder()->internal_name() |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1067 |
); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1068 |
sel_method->access_flags().print_on(tty); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1069 |
if (sel_method->is_default_method()) { |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1070 |
tty->print("default "); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1071 |
} |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1072 |
if (sel_method->is_overpass()) { |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1073 |
tty->print("overpass"); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1074 |
} |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1075 |
tty->cr(); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1076 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1077 |
|
1 | 1078 |
// setup result |
1079 |
result.set_static(resolved_klass, sel_method, CHECK); |
|
1080 |
} |
|
1081 |
||
1082 |
void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1083 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 1084 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
1085 |
methodHandle resolved_method; |
|
1086 |
linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
1087 |
runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK); |
|
1088 |
} |
|
1089 |
||
1090 |
// throws linktime exceptions |
|
1091 |
void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1092 |
Symbol* method_name, Symbol* method_signature, |
1 | 1093 |
KlassHandle current_klass, bool check_access, TRAPS) { |
1094 |
// normal method resolution |
|
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
1095 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK); |
1 | 1096 |
|
1097 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
1098 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
1099 |
||
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1100 |
// check if private interface method |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1101 |
if (resolved_klass->is_interface() && resolved_method->is_private()) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1102 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1103 |
char buf[200]; |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1104 |
jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokevirtual: method %s, caller-class:%s", |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1105 |
Method::name_and_sig_as_C_string(resolved_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1106 |
resolved_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1107 |
resolved_method->signature()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1108 |
(current_klass.is_null() ? "<NULL>" : current_klass->internal_name())); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1109 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1110 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1111 |
|
1 | 1112 |
// check if not static |
1113 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1114 |
ResourceMark rm(THREAD); |
1 | 1115 |
char buf[200]; |
14488 | 1116 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1117 |
resolved_method->name(), |
1118 |
resolved_method->signature())); |
|
1119 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
1120 |
} |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1121 |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1122 |
if (PrintVtables && Verbose) { |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1123 |
ResourceMark rm(THREAD); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1124 |
tty->print("invokevirtual resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ", |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1125 |
(current_klass.is_null() ? "<NULL>" : current_klass->internal_name()), |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1126 |
(resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()), |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1127 |
Method::name_and_sig_as_C_string(resolved_klass(), |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1128 |
resolved_method->name(), |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1129 |
resolved_method->signature()), |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1130 |
resolved_method->method_holder()->internal_name() |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1131 |
); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1132 |
resolved_method->access_flags().print_on(tty); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1133 |
if (resolved_method->is_default_method()) { |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1134 |
tty->print("default "); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1135 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1136 |
if (resolved_method->is_overpass()) { |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1137 |
tty->print("overpass"); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1138 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1139 |
tty->cr(); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1140 |
} |
1 | 1141 |
} |
1142 |
||
1143 |
// throws runtime exceptions |
|
1144 |
void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, |
|
1145 |
methodHandle resolved_method, |
|
1146 |
KlassHandle resolved_klass, |
|
1147 |
Handle recv, |
|
1148 |
KlassHandle recv_klass, |
|
1149 |
bool check_null_and_abstract, |
|
1150 |
TRAPS) { |
|
1151 |
||
1152 |
// setup default return values |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1153 |
int vtable_index = Method::invalid_vtable_index; |
1 | 1154 |
methodHandle selected_method; |
1155 |
||
1156 |
assert(recv.is_null() || recv->is_oop(), "receiver is not an oop"); |
|
1157 |
||
1158 |
// runtime method resolution |
|
1159 |
if (check_null_and_abstract && recv.is_null()) { // check if receiver exists |
|
1160 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
1161 |
} |
|
1162 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1163 |
// Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s |
1 | 1164 |
// has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since |
1165 |
// a missing receiver might result in a bogus lookup. |
|
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
14385
diff
changeset
|
1166 |
assert(resolved_method->method_holder()->is_linked(), "must be linked"); |
1 | 1167 |
|
1168 |
// do lookup based on receiver klass using the vtable index |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1169 |
if (resolved_method->method_holder()->is_interface()) { // miranda method |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1170 |
vtable_index = vtable_index_of_interface_method(resolved_klass, |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1171 |
resolved_method); |
1 | 1172 |
assert(vtable_index >= 0 , "we should have valid vtable index at this point"); |
1173 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1174 |
InstanceKlass* inst = InstanceKlass::cast(recv_klass()); |
1 | 1175 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
1176 |
} else { |
|
1177 |
// at this point we are sure that resolved_method is virtual and not |
|
1178 |
// a miranda method; therefore, it must have a valid vtable index. |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1179 |
assert(!resolved_method->has_itable_index(), ""); |
1 | 1180 |
vtable_index = resolved_method->vtable_index(); |
1181 |
// We could get a negative vtable_index for final methods, |
|
1182 |
// because as an optimization they are they are never put in the vtable, |
|
1183 |
// unless they override an existing method. |
|
1184 |
// If we do get a negative, it means the resolved method is the the selected |
|
1185 |
// method, and it can never be changed by an override. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1186 |
if (vtable_index == Method::nonvirtual_vtable_index) { |
1 | 1187 |
assert(resolved_method->can_be_statically_bound(), "cannot override this method"); |
1188 |
selected_method = resolved_method; |
|
1189 |
} else { |
|
1190 |
// recv_klass might be an arrayKlassOop but all vtables start at |
|
1191 |
// the same place. The cast is to avoid virtual call and assertion. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1192 |
InstanceKlass* inst = (InstanceKlass*)recv_klass(); |
1 | 1193 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
1194 |
} |
|
1195 |
} |
|
1196 |
||
1197 |
// check if method exists |
|
1198 |
if (selected_method.is_null()) { |
|
1199 |
ResourceMark rm(THREAD); |
|
1200 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1201 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1202 |
resolved_method->name(), |
1203 |
resolved_method->signature())); |
|
1204 |
} |
|
1205 |
||
1206 |
// check if abstract |
|
1207 |
if (check_null_and_abstract && selected_method->is_abstract()) { |
|
1208 |
ResourceMark rm(THREAD); |
|
1209 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1210 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1211 |
selected_method->name(), |
1212 |
selected_method->signature())); |
|
1213 |
} |
|
1214 |
||
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1215 |
if (PrintVtables && Verbose) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1216 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1217 |
tty->print("invokevirtual selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, vtable_index:%d, access_flags: ", |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1218 |
(recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1219 |
(resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1220 |
Method::name_and_sig_as_C_string(resolved_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1221 |
resolved_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1222 |
resolved_method->signature()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1223 |
selected_method->method_holder()->internal_name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1224 |
vtable_index |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1225 |
); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1226 |
selected_method->access_flags().print_on(tty); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1227 |
if (selected_method->is_default_method()) { |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1228 |
tty->print("default "); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1229 |
} |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1230 |
if (selected_method->is_overpass()) { |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1231 |
tty->print("overpass"); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1232 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1233 |
tty->cr(); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1234 |
} |
1 | 1235 |
// setup result |
1236 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); |
|
1237 |
} |
|
1238 |
||
1239 |
void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1240 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 1241 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
1242 |
methodHandle resolved_method; |
|
1243 |
linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
1244 |
runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK); |
|
1245 |
} |
|
1246 |
||
1247 |
// throws linktime exceptions |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1248 |
void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1249 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 1250 |
// normal interface method resolution |
21912 | 1251 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK); |
1 | 1252 |
|
1253 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
1254 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
1255 |
} |
|
1256 |
||
1257 |
// throws runtime exceptions |
|
1258 |
void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
1259 |
Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) { |
|
1260 |
// check if receiver exists |
|
1261 |
if (check_null_and_abstract && recv.is_null()) { |
|
1262 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
1263 |
} |
|
1264 |
||
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1265 |
// check if private interface method |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1266 |
if (resolved_klass->is_interface() && resolved_method->is_private()) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1267 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1268 |
char buf[200]; |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1269 |
jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokeinterface: method %s", |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1270 |
Method::name_and_sig_as_C_string(resolved_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1271 |
resolved_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1272 |
resolved_method->signature())); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1273 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1274 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1275 |
|
1 | 1276 |
// check if receiver klass implements the resolved interface |
1277 |
if (!recv_klass->is_subtype_of(resolved_klass())) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1278 |
ResourceMark rm(THREAD); |
1 | 1279 |
char buf[200]; |
1280 |
jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", |
|
14488 | 1281 |
recv_klass()->external_name(), |
1282 |
resolved_klass()->external_name()); |
|
1 | 1283 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
1284 |
} |
|
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
1285 |
|
1 | 1286 |
// do lookup based on receiver klass |
1287 |
methodHandle sel_method; |
|
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
1288 |
// This search must match the linktime preparation search for itable initialization |
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
1289 |
// to correctly enforce loader constraints for interface method inheritance |
1 | 1290 |
lookup_instance_method_in_klasses(sel_method, recv_klass, |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1291 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1292 |
resolved_method->signature(), CHECK); |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1293 |
if (sel_method.is_null() && !check_null_and_abstract) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1294 |
// In theory this is a harmless placeholder value, but |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1295 |
// in practice leaving in null affects the nsk default method tests. |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1296 |
// This needs further study. |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1297 |
sel_method = resolved_method; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1298 |
} |
1 | 1299 |
// check if method exists |
1300 |
if (sel_method.is_null()) { |
|
1301 |
ResourceMark rm(THREAD); |
|
1302 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1303 |
Method::name_and_sig_as_C_string(recv_klass(), |
1 | 1304 |
resolved_method->name(), |
1305 |
resolved_method->signature())); |
|
1306 |
} |
|
17024
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1307 |
// check access |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1308 |
// Throw Illegal Access Error if sel_method is not public. |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1309 |
if (!sel_method->is_public()) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1310 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1311 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1312 |
Method::name_and_sig_as_C_string(recv_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1313 |
sel_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1314 |
sel_method->signature())); |
17024
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1315 |
} |
1 | 1316 |
// check if abstract |
1317 |
if (check_null_and_abstract && sel_method->is_abstract()) { |
|
1318 |
ResourceMark rm(THREAD); |
|
1319 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1320 |
Method::name_and_sig_as_C_string(recv_klass(), |
1 | 1321 |
sel_method->name(), |
1322 |
sel_method->signature())); |
|
1323 |
} |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1324 |
|
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1325 |
if (TraceItables && Verbose) { |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1326 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1327 |
tty->print("invokeinterface selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, access_flags: ", |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1328 |
(recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1329 |
(resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1330 |
Method::name_and_sig_as_C_string(resolved_klass(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1331 |
resolved_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1332 |
resolved_method->signature()), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1333 |
sel_method->method_holder()->internal_name() |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1334 |
); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1335 |
sel_method->access_flags().print_on(tty); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1336 |
if (sel_method->is_default_method()) { |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1337 |
tty->print("default "); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1338 |
} |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1339 |
if (sel_method->is_overpass()) { |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1340 |
tty->print("overpass"); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1341 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1342 |
tty->cr(); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1343 |
} |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1344 |
// setup result |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1345 |
if (!resolved_method->has_itable_index()) { |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1346 |
int vtable_index = resolved_method->vtable_index(); |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1347 |
assert(vtable_index == sel_method->vtable_index(), "sanity check"); |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1348 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, sel_method, vtable_index, CHECK); |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1349 |
} else { |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1350 |
int itable_index = resolved_method()->itable_index(); |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1351 |
result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, itable_index, CHECK); |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1352 |
} |
1 | 1353 |
} |
1354 |
||
1355 |
||
1356 |
methodHandle LinkResolver::linktime_resolve_interface_method_or_null( |
|
1357 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1358 |
Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1359 |
Symbol* method_signature, |
1 | 1360 |
KlassHandle current_klass, |
1361 |
bool check_access) { |
|
1362 |
EXCEPTION_MARK; |
|
1363 |
methodHandle method_result; |
|
1364 |
linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1365 |
if (HAS_PENDING_EXCEPTION) { |
|
1366 |
CLEAR_PENDING_EXCEPTION; |
|
1367 |
return methodHandle(); |
|
1368 |
} else { |
|
1369 |
return method_result; |
|
1370 |
} |
|
1371 |
} |
|
1372 |
||
1373 |
methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( |
|
1374 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1375 |
Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1376 |
Symbol* method_signature, |
1 | 1377 |
KlassHandle current_klass, |
1378 |
bool check_access) { |
|
1379 |
EXCEPTION_MARK; |
|
1380 |
methodHandle method_result; |
|
1381 |
linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1382 |
if (HAS_PENDING_EXCEPTION) { |
|
1383 |
CLEAR_PENDING_EXCEPTION; |
|
1384 |
return methodHandle(); |
|
1385 |
} else { |
|
1386 |
return method_result; |
|
1387 |
} |
|
1388 |
} |
|
1389 |
||
1390 |
methodHandle LinkResolver::resolve_virtual_call_or_null( |
|
1391 |
KlassHandle receiver_klass, |
|
1392 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1393 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1394 |
Symbol* signature, |
1 | 1395 |
KlassHandle current_klass) { |
1396 |
EXCEPTION_MARK; |
|
1397 |
CallInfo info; |
|
1398 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1399 |
if (HAS_PENDING_EXCEPTION) { |
|
1400 |
CLEAR_PENDING_EXCEPTION; |
|
1401 |
return methodHandle(); |
|
1402 |
} |
|
1403 |
return info.selected_method(); |
|
1404 |
} |
|
1405 |
||
1406 |
methodHandle LinkResolver::resolve_interface_call_or_null( |
|
1407 |
KlassHandle receiver_klass, |
|
1408 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1409 |
Symbol* name, |
96d498ec7ae1
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7397
diff
changeset
|
1410 |
Symbol* signature, |
1 | 1411 |
KlassHandle current_klass) { |
1412 |
EXCEPTION_MARK; |
|
1413 |
CallInfo info; |
|
1414 |
resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1415 |
if (HAS_PENDING_EXCEPTION) { |
|
1416 |
CLEAR_PENDING_EXCEPTION; |
|
1417 |
return methodHandle(); |
|
1418 |
} |
|
1419 |
return info.selected_method(); |
|
1420 |
} |
|
1421 |
||
1422 |
int LinkResolver::resolve_virtual_vtable_index( |
|
1423 |
KlassHandle receiver_klass, |
|
1424 |
KlassHandle resolved_klass, |
|
8076
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7397
diff
changeset
|
1425 |
Symbol* name, |
96d498ec7ae1
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parents:
7397
diff
changeset
|
1426 |
Symbol* signature, |
1 | 1427 |
KlassHandle current_klass) { |
1428 |
EXCEPTION_MARK; |
|
1429 |
CallInfo info; |
|
1430 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1431 |
if (HAS_PENDING_EXCEPTION) { |
|
1432 |
CLEAR_PENDING_EXCEPTION; |
|
13728
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13396
diff
changeset
|
1433 |
return Method::invalid_vtable_index; |
1 | 1434 |
} |
1435 |
return info.vtable_index(); |
|
1436 |
} |
|
1437 |
||
1438 |
methodHandle LinkResolver::resolve_static_call_or_null( |
|
1439 |
KlassHandle resolved_klass, |
|
8076
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7397
diff
changeset
|
1440 |
Symbol* name, |
96d498ec7ae1
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parents:
7397
diff
changeset
|
1441 |
Symbol* signature, |
1 | 1442 |
KlassHandle current_klass) { |
1443 |
EXCEPTION_MARK; |
|
1444 |
CallInfo info; |
|
1445 |
resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1446 |
if (HAS_PENDING_EXCEPTION) { |
|
1447 |
CLEAR_PENDING_EXCEPTION; |
|
1448 |
return methodHandle(); |
|
1449 |
} |
|
1450 |
return info.selected_method(); |
|
1451 |
} |
|
1452 |
||
8076
96d498ec7ae1
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coleenp
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7397
diff
changeset
|
1453 |
methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature, |
1 | 1454 |
KlassHandle current_klass) { |
1455 |
EXCEPTION_MARK; |
|
1456 |
CallInfo info; |
|
1457 |
resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD); |
|
1458 |
if (HAS_PENDING_EXCEPTION) { |
|
1459 |
CLEAR_PENDING_EXCEPTION; |
|
1460 |
return methodHandle(); |
|
1461 |
} |
|
1462 |
return info.selected_method(); |
|
1463 |
} |
|
1464 |
||
1465 |
||
1466 |
||
1467 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1468 |
// ConstantPool entries |
|
1469 |
||
1470 |
void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { |
|
1471 |
switch (byte) { |
|
1472 |
case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; |
|
1473 |
case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break; |
|
1474 |
case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break; |
|
13391
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10565
diff
changeset
|
1475 |
case Bytecodes::_invokehandle : resolve_invokehandle (result, pool, index, CHECK); break; |
2570
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diff
changeset
|
1476 |
case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
1 | 1477 |
case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; |
1478 |
} |
|
1479 |
return; |
|
1480 |
} |
|
1481 |
||
8076
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parents:
7397
diff
changeset
|
1482 |
void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, |
1 | 1483 |
KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) { |
1484 |
// resolve klass |
|
1485 |
resolve_klass(resolved_klass, pool, index, CHECK); |
|
1486 |
||
1487 |
// Get name, signature, and static klass |
|
8076
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parents:
7397
diff
changeset
|
1488 |
method_name = pool->name_ref_at(index); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
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7397
diff
changeset
|
1489 |
method_signature = pool->signature_ref_at(index); |
1 | 1490 |
current_klass = KlassHandle(THREAD, pool->pool_holder()); |
1491 |
} |
|
1492 |
||
1493 |
||
1494 |
void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1495 |
KlassHandle resolved_klass; |
|
8076
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7397
diff
changeset
|
1496 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1497 |
Symbol* method_signature = NULL; |
1 | 1498 |
KlassHandle current_klass; |
1499 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1500 |
resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
|
1501 |
} |
|
1502 |
||
1503 |
||
1504 |
void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1505 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1506 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1507 |
Symbol* method_signature = NULL; |
1 | 1508 |
KlassHandle current_klass; |
1509 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1510 |
resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
|
1511 |
} |
|
1512 |
||
1513 |
||
1514 |
void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, |
|
1515 |
constantPoolHandle pool, int index, |
|
1516 |
TRAPS) { |
|
1517 |
||
1518 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1519 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1520 |
Symbol* method_signature = NULL; |
1 | 1521 |
KlassHandle current_klass; |
1522 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
13728
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coleenp
parents:
13396
diff
changeset
|
1523 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1524 |
resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1525 |
} |
|
1526 |
||
1527 |
||
1528 |
void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) { |
|
1529 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1530 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1531 |
Symbol* method_signature = NULL; |
1 | 1532 |
KlassHandle current_klass; |
1533 |
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
|
1534 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1535 |
resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1536 |
} |
|
1537 |
||
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1538 |
|
13391
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twisti
parents:
10565
diff
changeset
|
1539 |
void LinkResolver::resolve_invokehandle(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1540 |
// 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
|
1541 |
KlassHandle resolved_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1542 |
Symbol* method_name = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1543 |
Symbol* method_signature = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1544 |
KlassHandle current_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1545 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
16691 | 1546 |
if (TraceMethodHandles) { |
1547 |
ResourceMark rm(THREAD); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1548 |
tty->print_cr("resolve_invokehandle %s %s", method_name->as_C_string(), method_signature->as_C_string()); |
16691 | 1549 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1550 |
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
twisti
parents:
10565
diff
changeset
|
1551 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1552 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1553 |
void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1554 |
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
|
1555 |
KlassHandle current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1556 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1557 |
// JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1558 |
assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1559 |
assert(MethodHandles::is_signature_polymorphic_name(method_name), ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1560 |
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
|
1561 |
Handle resolved_appendix; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1562 |
Handle resolved_method_type; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1563 |
lookup_polymorphic_method(resolved_method, resolved_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1564 |
method_name, method_signature, |
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
|
1565 |
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
twisti
parents:
13732
diff
changeset
|
1566 |
result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1567 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1568 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1569 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1570 |
void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
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
|
1571 |
//resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1572 |
Symbol* method_name = pool->name_ref_at(index); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1573 |
Symbol* method_signature = pool->signature_ref_at(index); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1574 |
KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder()); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1575 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1576 |
// 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
|
1577 |
Handle bootstrap_specifier; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1578 |
// Check if CallSite has been bound already: |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1579 |
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:
10565
diff
changeset
|
1580 |
if (cpce->is_f1_null()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1581 |
int pool_index = cpce->constant_pool_index(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1582 |
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
|
1583 |
assert(bsm_info != NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1584 |
// FIXME: Cache this once per BootstrapMethods entry, not once per CONSTANT_InvokeDynamic. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1585 |
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
|
1586 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1587 |
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
|
1588 |
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
|
1589 |
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
|
1590 |
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
|
1591 |
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
|
1592 |
return; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1593 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1594 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1595 |
if (TraceMethodHandles) { |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1596 |
ResourceMark rm(THREAD); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1597 |
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
|
1598 |
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
|
1599 |
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
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|
1600 |
tty->print(" BSM info: "); bootstrap_specifier->print(); |
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|
1601 |
} |
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|
1602 |
|
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|
1603 |
resolve_dynamic_call(result, bootstrap_specifier, method_name, method_signature, current_klass, CHECK); |
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|
1604 |
} |
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|
1605 |
|
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|
1606 |
void LinkResolver::resolve_dynamic_call(CallInfo& result, |
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|
1607 |
Handle bootstrap_specifier, |
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|
1608 |
Symbol* method_name, Symbol* method_signature, |
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|
1609 |
KlassHandle current_klass, |
30245956af37
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|
1610 |
TRAPS) { |
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|
1611 |
// JSR 292: this must resolve to an implicitly generated method MH.linkToCallSite(*...) |
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|
1612 |
// The appendix argument is likely to be a freshly-created CallSite. |
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|
1613 |
Handle resolved_appendix; |
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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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|
1614 |
Handle resolved_method_type; |
13391
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|
1615 |
methodHandle resolved_method = |
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diff
changeset
|
1616 |
SystemDictionary::find_dynamic_call_site_invoker(current_klass, |
30245956af37
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|
1617 |
bootstrap_specifier, |
30245956af37
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|
1618 |
method_name, method_signature, |
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|
1619 |
&resolved_appendix, |
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|
1620 |
&resolved_method_type, |
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7196120: NPG: JSR 2292 test fails because missing fix for 7188911
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|
1621 |
THREAD); |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
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|
1622 |
if (HAS_PENDING_EXCEPTION) { |
13391
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|
1623 |
if (TraceMethodHandles) { |
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
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diff
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|
1624 |
tty->print_cr("invokedynamic throws BSME for " INTPTR_FORMAT, p2i((void *)PENDING_EXCEPTION)); |
13391
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|
1625 |
PENDING_EXCEPTION->print(); |
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|
1626 |
} |
9967
9ddc1c490930
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diff
changeset
|
1627 |
if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) { |
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diff
changeset
|
1628 |
// throw these guys, since they are already wrapped |
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changeset
|
1629 |
return; |
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diff
changeset
|
1630 |
} |
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changeset
|
1631 |
if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) { |
9ddc1c490930
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diff
changeset
|
1632 |
// intercept only LinkageErrors which might have failed to wrap |
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parents:
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diff
changeset
|
1633 |
return; |
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diff
changeset
|
1634 |
} |
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diff
changeset
|
1635 |
// See the "Linking Exceptions" section for the invokedynamic instruction in the JVMS. |
13391
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changeset
|
1636 |
Handle nested_exception(THREAD, PENDING_EXCEPTION); |
9967
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|
1637 |
CLEAR_PENDING_EXCEPTION; |
13732
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changeset
|
1638 |
THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception) |
9967
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|
1639 |
} |
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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parents:
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changeset
|
1640 |
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
|
1641 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
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diff
changeset
|
1642 |
|
1 | 1643 |
//------------------------------------------------------------------------------------------------------------------------ |
1644 |
#ifndef PRODUCT |
|
1645 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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17024
diff
changeset
|
1646 |
void CallInfo::print() { |
1 | 1647 |
ResourceMark rm; |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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parents:
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diff
changeset
|
1648 |
const char* kindstr = "unknown"; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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parents:
17024
diff
changeset
|
1649 |
switch (_call_kind) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1650 |
case direct_call: kindstr = "direct"; break; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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parents:
17024
diff
changeset
|
1651 |
case vtable_call: kindstr = "vtable"; break; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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parents:
17024
diff
changeset
|
1652 |
case itable_call: kindstr = "itable"; break; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
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diff
changeset
|
1653 |
} |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1654 |
tty->print_cr("Call %s@%d %s", kindstr, _call_index, |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1655 |
_resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string()); |
1 | 1656 |
} |
1657 |
||
1658 |
#endif |