author | mbaesken |
Thu, 17 May 2018 18:09:19 +0200 | |
changeset 50231 | 10b14c9ee78d |
parent 50036 | e0dbf14885b8 |
child 50325 | 462453f3c7f6 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "jvm.h" |
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#include "classfile/defaultMethods.hpp" |
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#include "classfile/javaClasses.hpp" |
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#include "classfile/resolutionErrors.hpp" |
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#include "classfile/symbolTable.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/shared/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 "logging/log.hpp" |
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#include "logging/logStream.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.hpp" |
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#include "oops/cpCache.inline.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/method.hpp" |
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#include "oops/objArrayKlass.hpp" |
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#include "oops/objArrayOop.hpp" |
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#include "oops/oop.inline.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/safepointVerifiers.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(Klass* resolved_klass, const 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(Klass* resolved_klass, |
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Klass* selected_klass, |
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const methodHandle& resolved_method, |
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const methodHandle& selected_method, |
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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(Klass* resolved_klass, |
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Klass* selected_klass, |
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const methodHandle& resolved_method, |
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const methodHandle& selected_method, |
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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(const methodHandle& resolved_method, |
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Handle resolved_appendix, |
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Handle resolved_method_type, TRAPS) { |
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set_handle(SystemDictionary::MethodHandle_klass(), resolved_method, resolved_appendix, resolved_method_type, CHECK); |
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} |
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void CallInfo::set_handle(Klass* resolved_klass, |
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const methodHandle& resolved_method, |
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Handle resolved_appendix, |
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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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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(Klass* resolved_klass, |
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Klass* selected_klass, |
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const methodHandle& resolved_method, |
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const 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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|
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CompilationPolicy::compile_if_required(selected_method, THREAD); |
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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, TRAPS) { |
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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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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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|
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#ifdef ASSERT |
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// Ensure that this is really the case. |
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Klass* 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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172 |
"Object and interface method names should match at vtable index %d, %s != %s", |
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173 |
index, object_resolved_method->name()->as_C_string(), resolved_method->name()->as_C_string()); |
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174 |
assert(object_resolved_method->signature() == resolved_method->signature(), |
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"Object and interface method signatures should match at vtable index %d, %s != %s", |
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index, object_resolved_method->signature()->as_C_string(), resolved_method->signature()->as_C_string()); |
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177 |
#endif // ASSERT |
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178 |
|
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179 |
kind = CallInfo::vtable_call; |
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180 |
} else { |
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181 |
// A regular interface call. |
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182 |
kind = CallInfo::itable_call; |
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183 |
index = resolved_method->itable_index(); |
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184 |
} |
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185 |
assert(index == Method::nonvirtual_vtable_index || index >= 0, "bad index %d", index); |
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186 |
_call_kind = kind; |
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187 |
_call_index = index; |
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188 |
_resolved_appendix = Handle(); |
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189 |
// Find or create a ResolvedMethod instance for this Method* |
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190 |
set_resolved_method_name(CHECK); |
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191 |
|
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192 |
DEBUG_ONLY(verify()); |
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193 |
} |
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194 |
|
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195 |
void CallInfo::set_resolved_method_name(TRAPS) { |
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196 |
Method* m = _resolved_method(); |
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197 |
assert(m != NULL, "Should already have a Method*"); |
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198 |
oop rmethod_name = java_lang_invoke_ResolvedMethodName::find_resolved_method(m, CHECK); |
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199 |
_resolved_method_name = Handle(THREAD, rmethod_name); |
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200 |
} |
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201 |
|
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202 |
#ifdef ASSERT |
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203 |
void CallInfo::verify() { |
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204 |
switch (call_kind()) { // the meaning and allowed value of index depends on kind |
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205 |
case CallInfo::direct_call: |
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206 |
if (_call_index == Method::nonvirtual_vtable_index) break; |
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207 |
// else fall through to check vtable index: |
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208 |
case CallInfo::vtable_call: |
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209 |
assert(resolved_klass()->verify_vtable_index(_call_index), ""); |
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210 |
break; |
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|
211 |
case CallInfo::itable_call: |
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212 |
assert(resolved_method()->method_holder()->verify_itable_index(_call_index), ""); |
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|
213 |
break; |
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214 |
case CallInfo::unknown_kind: |
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215 |
assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set"); |
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|
216 |
break; |
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|
217 |
default: |
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218 |
fatal("Unexpected call kind %d", call_kind()); |
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219 |
} |
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220 |
} |
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221 |
#endif //ASSERT |
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222 |
|
31019 | 223 |
#ifndef PRODUCT |
224 |
void CallInfo::print() { |
|
225 |
ResourceMark rm; |
|
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226 |
const char* kindstr; |
31019 | 227 |
switch (_call_kind) { |
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228 |
case direct_call: kindstr = "direct"; break; |
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229 |
case vtable_call: kindstr = "vtable"; break; |
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230 |
case itable_call: kindstr = "itable"; break; |
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231 |
default : kindstr = "unknown"; break; |
31019 | 232 |
} |
233 |
tty->print_cr("Call %s@%d %s", kindstr, _call_index, |
|
234 |
_resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string()); |
|
235 |
} |
|
236 |
#endif |
|
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237 |
|
31019 | 238 |
//------------------------------------------------------------------------------------------------------------------------ |
239 |
// Implementation of LinkInfo |
|
1 | 240 |
|
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241 |
LinkInfo::LinkInfo(const constantPoolHandle& pool, int index, const methodHandle& current_method, TRAPS) { |
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242 |
// resolve klass |
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243 |
_resolved_klass = pool->klass_ref_at(index, CHECK); |
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244 |
|
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245 |
// Get name, signature, and static klass |
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246 |
_name = pool->name_ref_at(index); |
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247 |
_signature = pool->signature_ref_at(index); |
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248 |
_tag = pool->tag_ref_at(index); |
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249 |
_current_klass = pool->pool_holder(); |
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250 |
_current_method = current_method; |
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251 |
|
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252 |
// Coming from the constant pool always checks access |
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253 |
_check_access = true; |
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|
254 |
} |
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|
255 |
|
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|
256 |
LinkInfo::LinkInfo(const constantPoolHandle& pool, int index, TRAPS) { |
31019 | 257 |
// resolve klass |
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258 |
_resolved_klass = pool->klass_ref_at(index, CHECK); |
31019 | 259 |
|
260 |
// Get name, signature, and static klass |
|
261 |
_name = pool->name_ref_at(index); |
|
262 |
_signature = pool->signature_ref_at(index); |
|
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263 |
_tag = pool->tag_ref_at(index); |
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264 |
_current_klass = pool->pool_holder(); |
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265 |
_current_method = methodHandle(); |
31019 | 266 |
|
267 |
// Coming from the constant pool always checks access |
|
268 |
_check_access = true; |
|
269 |
} |
|
270 |
||
271 |
char* LinkInfo::method_string() const { |
|
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|
272 |
return Method::name_and_sig_as_C_string(_resolved_klass, _name, _signature); |
31019 | 273 |
} |
274 |
||
275 |
#ifndef PRODUCT |
|
276 |
void LinkInfo::print() { |
|
277 |
ResourceMark rm; |
|
278 |
tty->print_cr("Link resolved_klass=%s name=%s signature=%s current_klass=%s check_access=%s", |
|
279 |
_resolved_klass->name()->as_C_string(), |
|
280 |
_name->as_C_string(), |
|
281 |
_signature->as_C_string(), |
|
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|
282 |
_current_klass == NULL ? "(none)" : _current_klass->name()->as_C_string(), |
31019 | 283 |
_check_access ? "true" : "false"); |
284 |
} |
|
285 |
#endif // PRODUCT |
|
1 | 286 |
//------------------------------------------------------------------------------------------------------------------------ |
287 |
// Klass resolution |
|
288 |
||
48826 | 289 |
void LinkResolver::check_klass_accessability(Klass* ref_klass, Klass* sel_klass, |
290 |
bool fold_type_to_class, TRAPS) { |
|
291 |
Klass* base_klass = sel_klass; |
|
292 |
if (fold_type_to_class) { |
|
293 |
if (sel_klass->is_objArray_klass()) { |
|
294 |
base_klass = ObjArrayKlass::cast(sel_klass)->bottom_klass(); |
|
295 |
} |
|
296 |
// The element type could be a typeArray - we only need the access |
|
297 |
// check if it is an reference to another class. |
|
298 |
if (!base_klass->is_instance_klass()) { |
|
299 |
return; // no relevant check to do |
|
300 |
} |
|
301 |
} |
|
36508 | 302 |
Reflection::VerifyClassAccessResults vca_result = |
48826 | 303 |
Reflection::verify_class_access(ref_klass, InstanceKlass::cast(base_klass), true); |
36508 | 304 |
if (vca_result != Reflection::ACCESS_OK) { |
1 | 305 |
ResourceMark rm(THREAD); |
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|
306 |
char* msg = Reflection::verify_class_access_msg(ref_klass, |
48826 | 307 |
InstanceKlass::cast(base_klass), |
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|
308 |
vca_result); |
36508 | 309 |
if (msg == NULL) { |
310 |
Exceptions::fthrow( |
|
311 |
THREAD_AND_LOCATION, |
|
312 |
vmSymbols::java_lang_IllegalAccessError(), |
|
313 |
"failed to access class %s from class %s", |
|
48826 | 314 |
base_klass->external_name(), |
36508 | 315 |
ref_klass->external_name()); |
316 |
} else { |
|
317 |
// Use module specific message returned by verify_class_access_msg(). |
|
318 |
Exceptions::fthrow( |
|
319 |
THREAD_AND_LOCATION, |
|
320 |
vmSymbols::java_lang_IllegalAccessError(), |
|
321 |
"%s", msg); |
|
322 |
} |
|
1 | 323 |
} |
324 |
} |
|
325 |
||
326 |
//------------------------------------------------------------------------------------------------------------------------ |
|
327 |
// Method resolution |
|
328 |
// |
|
329 |
// According to JVM spec. $5.4.3c & $5.4.3d |
|
330 |
||
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|
331 |
// Look up method in klasses, including static methods |
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|
332 |
// Then look up local default methods |
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|
333 |
Method* LinkResolver::lookup_method_in_klasses(const LinkInfo& link_info, |
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|
334 |
bool checkpolymorphism, |
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|
335 |
bool in_imethod_resolve) { |
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|
336 |
NoSafepointVerifier nsv; // Method* returned may not be reclaimed |
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|
337 |
|
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|
338 |
Klass* klass = link_info.resolved_klass(); |
31019 | 339 |
Symbol* name = link_info.name(); |
340 |
Symbol* signature = link_info.signature(); |
|
341 |
||
23999
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changeset
|
342 |
// Ignore overpasses so statics can be found during resolution |
31019 | 343 |
Method* result = klass->uncached_lookup_method(name, signature, Klass::skip_overpass); |
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|
344 |
|
33611
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8139203: Consistent naming for klass type predicates
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|
345 |
if (klass->is_array_klass()) { |
27020 | 346 |
// Only consider klass and super klass for arrays |
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|
347 |
return result; |
27020 | 348 |
} |
349 |
||
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|
350 |
InstanceKlass* ik = InstanceKlass::cast(klass); |
33602 | 351 |
|
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|
352 |
// JDK 8, JVMS 5.4.3.4: Interface method resolution should |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
353 |
// ignore static and non-public methods of java.lang.Object, |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
354 |
// like clone, finalize, registerNatives. |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
355 |
if (in_imethod_resolve && |
31019 | 356 |
result != NULL && |
33602 | 357 |
ik->is_interface() && |
31019 | 358 |
(result->is_static() || !result->is_public()) && |
359 |
result->method_holder() == SystemDictionary::Object_klass()) { |
|
360 |
result = NULL; |
|
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
361 |
} |
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
362 |
|
23999
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
parents:
22739
diff
changeset
|
363 |
// 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.
lfoltan
parents:
22739
diff
changeset
|
364 |
// current class if a method has not been found. |
31019 | 365 |
if (result == NULL) { |
33602 | 366 |
result = ik->find_method(name, signature); |
23999
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
parents:
22739
diff
changeset
|
367 |
} |
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
parents:
22739
diff
changeset
|
368 |
|
31019 | 369 |
if (result == NULL) { |
33602 | 370 |
Array<Method*>* default_methods = ik->default_methods(); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
371 |
if (default_methods != NULL) { |
31019 | 372 |
result = InstanceKlass::find_method(default_methods, name, signature); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
373 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
374 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
375 |
|
31019 | 376 |
if (checkpolymorphism && result != NULL) { |
377 |
vmIntrinsics::ID iid = result->intrinsic_id(); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
378 |
if (MethodHandles::is_signature_polymorphic(iid)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
379 |
// Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method. |
31019 | 380 |
return NULL; |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
381 |
} |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
382 |
} |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46701
diff
changeset
|
383 |
return result; |
1 | 384 |
} |
385 |
||
386 |
// returns first instance method |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
387 |
// Looks up method in classes, then looks up local default methods |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
388 |
methodHandle LinkResolver::lookup_instance_method_in_klasses(Klass* klass, |
31019 | 389 |
Symbol* name, |
390 |
Symbol* signature, TRAPS) { |
|
391 |
Method* result = klass->uncached_lookup_method(name, signature, Klass::find_overpass); |
|
392 |
||
393 |
while (result != NULL && result->is_static() && result->method_holder()->super() != NULL) { |
|
394 |
Klass* super_klass = result->method_holder()->super(); |
|
395 |
result = super_klass->uncached_lookup_method(name, signature, Klass::find_overpass); |
|
1 | 396 |
} |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
397 |
|
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
398 |
if (klass->is_array_klass()) { |
27020 | 399 |
// Only consider klass and super klass for arrays |
31019 | 400 |
return methodHandle(THREAD, result); |
27020 | 401 |
} |
402 |
||
31019 | 403 |
if (result == NULL) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
404 |
Array<Method*>* default_methods = InstanceKlass::cast(klass)->default_methods(); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
405 |
if (default_methods != NULL) { |
31019 | 406 |
result = InstanceKlass::find_method(default_methods, name, signature); |
407 |
assert(result == NULL || !result->is_static(), "static defaults not allowed"); |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
408 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
409 |
} |
31019 | 410 |
return methodHandle(THREAD, result); |
1 | 411 |
} |
412 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
413 |
int LinkResolver::vtable_index_of_interface_method(Klass* klass, |
31019 | 414 |
const methodHandle& resolved_method) { |
1 | 415 |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
416 |
int vtable_index = Method::invalid_vtable_index; |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
417 |
Symbol* name = resolved_method->name(); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
418 |
Symbol* signature = resolved_method->signature(); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
419 |
InstanceKlass* ik = InstanceKlass::cast(klass); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
420 |
|
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
421 |
// First check in default method array |
33602 | 422 |
if (!resolved_method->is_abstract() && ik->default_methods() != NULL) { |
423 |
int index = InstanceKlass::find_method_index(ik->default_methods(), |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31019
diff
changeset
|
424 |
name, signature, Klass::find_overpass, |
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31019
diff
changeset
|
425 |
Klass::find_static, Klass::find_private); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
426 |
if (index >= 0 ) { |
33602 | 427 |
vtable_index = ik->default_vtable_indices()->at(index); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
428 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
429 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
430 |
if (vtable_index == Method::invalid_vtable_index) { |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
431 |
// get vtable_index for miranda methods |
46408
70aab0c2ea8b
8178350: klassVtable and klassItable should be ValueObj
iklam
parents:
46329
diff
changeset
|
432 |
klassVtable vt = ik->vtable(); |
70aab0c2ea8b
8178350: klassVtable and klassItable should be ValueObj
iklam
parents:
46329
diff
changeset
|
433 |
vtable_index = vt.index_of_miranda(name, signature); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
434 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
435 |
return vtable_index; |
1 | 436 |
} |
437 |
||
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46701
diff
changeset
|
438 |
Method* LinkResolver::lookup_method_in_interfaces(const LinkInfo& cp_info) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
439 |
InstanceKlass *ik = InstanceKlass::cast(cp_info.resolved_klass()); |
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
440 |
|
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
441 |
// Specify 'true' in order to skip default methods when searching the |
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
442 |
// interfaces. Function lookup_method_in_klasses() already looked for |
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
443 |
// the method in the default methods table. |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46701
diff
changeset
|
444 |
return ik->lookup_method_in_all_interfaces(cp_info.name(), cp_info.signature(), Klass::skip_defaults); |
1 | 445 |
} |
446 |
||
31019 | 447 |
methodHandle LinkResolver::lookup_polymorphic_method( |
448 |
const LinkInfo& link_info, |
|
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
|
449 |
Handle *appendix_result_or_null, |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
450 |
Handle *method_type_result, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
451 |
TRAPS) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
452 |
Klass* klass = link_info.resolved_klass(); |
31019 | 453 |
Symbol* name = link_info.name(); |
454 |
Symbol* full_signature = link_info.signature(); |
|
455 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
456 |
vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
457 |
if (TraceMethodHandles) { |
16691 | 458 |
ResourceMark rm(THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
459 |
tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s", |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
460 |
vmIntrinsics::name_at(iid), klass->external_name(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
461 |
name->as_C_string(), full_signature->as_C_string()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
462 |
} |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
463 |
if ((klass == SystemDictionary::MethodHandle_klass() || |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
464 |
klass == SystemDictionary::VarHandle_klass()) && |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
465 |
iid != vmIntrinsics::_none) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
466 |
if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
467 |
// Most of these do not need an up-call to Java to resolve, so can be done anywhere. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
468 |
// Do not erase last argument type (MemberName) if it is a static linkTo method. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
469 |
bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
470 |
TempNewSymbol basic_signature = |
31019 | 471 |
MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK_NULL); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
472 |
if (TraceMethodHandles) { |
16691 | 473 |
ResourceMark rm(THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
474 |
tty->print_cr("lookup_polymorphic_method %s %s => basic %s", |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
475 |
name->as_C_string(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
476 |
full_signature->as_C_string(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
477 |
basic_signature->as_C_string()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
478 |
} |
31019 | 479 |
methodHandle result = SystemDictionary::find_method_handle_intrinsic(iid, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
480 |
basic_signature, |
31019 | 481 |
CHECK_NULL); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
482 |
if (result.not_null()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
483 |
assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
484 |
assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
485 |
assert(basic_signature == result->signature(), "predict the result signature"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
486 |
if (TraceMethodHandles) { |
35543
0961315f4016
8140659: C1: invokedynamic call patching violates JVMS-6.5.invokedynamic
vlivanov
parents:
35135
diff
changeset
|
487 |
ttyLocker ttyl; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
488 |
tty->print("lookup_polymorphic_method => intrinsic "); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
489 |
result->print_on(tty); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
490 |
} |
6062
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
491 |
} |
31019 | 492 |
return result; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
493 |
} else if (iid == vmIntrinsics::_invokeGeneric |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32189
diff
changeset
|
494 |
&& THREAD->can_call_java() |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
495 |
&& appendix_result_or_null != NULL) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
496 |
// This is a method with type-checking semantics. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
497 |
// We will ask Java code to spin an adapter method for it. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
498 |
if (!MethodHandles::enabled()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
499 |
// Make sure the Java part of the runtime has been booted up. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
500 |
Klass* natives = SystemDictionary::MethodHandleNatives_klass(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
501 |
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:
10565
diff
changeset
|
502 |
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
|
503 |
Handle(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
504 |
Handle(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
505 |
true, |
31019 | 506 |
CHECK_NULL); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
507 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
508 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
509 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
510 |
Handle 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
|
511 |
Handle method_type; |
31019 | 512 |
methodHandle result = SystemDictionary::find_method_handle_invoker( |
36819 | 513 |
klass, |
31019 | 514 |
name, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
515 |
full_signature, |
31019 | 516 |
link_info.current_klass(), |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
517 |
&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
|
518 |
&method_type, |
31019 | 519 |
CHECK_NULL); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
520 |
if (TraceMethodHandles) { |
35543
0961315f4016
8140659: C1: invokedynamic call patching violates JVMS-6.5.invokedynamic
vlivanov
parents:
35135
diff
changeset
|
521 |
ttyLocker ttyl; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
522 |
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
|
523 |
result->print_on(tty); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
524 |
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
|
525 |
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
|
526 |
else appendix->print_on(tty); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
527 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
528 |
if (result.not_null()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
529 |
#ifdef ASSERT |
16691 | 530 |
ResourceMark rm(THREAD); |
531 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
532 |
TempNewSymbol basic_signature = |
31019 | 533 |
MethodHandles::lookup_basic_type_signature(full_signature, CHECK_NULL); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
534 |
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
|
535 |
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
|
536 |
// +1 for MethodHandle.this, +1 for trailing MethodType |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
537 |
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
|
538 |
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
|
539 |
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
|
540 |
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
|
541 |
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
|
542 |
result->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
543 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
544 |
assert(actual_size_of_params == expected_size_of_params, |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
32189
diff
changeset
|
545 |
"%d != %d", actual_size_of_params, expected_size_of_params); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
546 |
#endif //ASSERT |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
547 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
548 |
assert(appendix_result_or_null != NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
549 |
(*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
|
550 |
(*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
|
551 |
} |
31019 | 552 |
return result; |
2534 | 553 |
} |
554 |
} |
|
31019 | 555 |
return NULL; |
2534 | 556 |
} |
557 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
558 |
void LinkResolver::check_method_accessability(Klass* ref_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
559 |
Klass* resolved_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
560 |
Klass* sel_klass, |
31019 | 561 |
const methodHandle& sel_method, |
1 | 562 |
TRAPS) { |
563 |
||
564 |
AccessFlags flags = sel_method->access_flags(); |
|
565 |
||
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
566 |
// Special case: arrays always override "clone". JVMS 2.15. |
1 | 567 |
// If the resolved klass is an array class, and the declaring class |
568 |
// is java.lang.Object and the method is "clone", set the flags |
|
569 |
// to public. |
|
570 |
// |
|
22219
4bfd5df70189
8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents:
22218
diff
changeset
|
571 |
// 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
|
572 |
// 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
|
573 |
if (sel_method->name() == vmSymbols::clone_name() && |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
574 |
sel_klass == SystemDictionary::Object_klass() && |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
575 |
resolved_klass->is_array_klass()) { |
1 | 576 |
// 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
|
577 |
assert(flags.is_protected(), "clone not protected?"); |
1 | 578 |
jint new_flags = flags.as_int(); |
579 |
new_flags = new_flags & (~JVM_ACC_PROTECTED); |
|
580 |
new_flags = new_flags | JVM_ACC_PUBLIC; |
|
581 |
flags.set_flags(new_flags); |
|
582 |
} |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
583 |
// assert(extra_arg_result_or_null != NULL, "must be able to return extra argument"); |
1 | 584 |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
585 |
if (!Reflection::verify_field_access(ref_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
586 |
resolved_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
587 |
sel_klass, |
1 | 588 |
flags, |
589 |
true)) { |
|
590 |
ResourceMark rm(THREAD); |
|
591 |
Exceptions::fthrow( |
|
592 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
593 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 594 |
"tried to access method %s.%s%s from class %s", |
595 |
sel_klass->external_name(), |
|
596 |
sel_method->name()->as_C_string(), |
|
597 |
sel_method->signature()->as_C_string(), |
|
598 |
ref_klass->external_name() |
|
599 |
); |
|
600 |
return; |
|
601 |
} |
|
602 |
} |
|
603 |
||
31019 | 604 |
methodHandle LinkResolver::resolve_method_statically(Bytecodes::Code code, |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
605 |
const 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
|
606 |
// This method is used only |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
607 |
// (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
|
608 |
// and |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
609 |
// (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
|
610 |
// 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
|
611 |
// FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points. |
1 | 612 |
// resolve klass |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
613 |
if (code == Bytecodes::_invokedynamic) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
614 |
Klass* 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
|
615 |
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
|
616 |
Symbol* method_signature = pool->signature_ref_at(index); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
617 |
Klass* current_klass = pool->pool_holder(); |
31019 | 618 |
LinkInfo link_info(resolved_klass, method_name, method_signature, current_klass); |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
619 |
return resolve_method(link_info, code, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
620 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
621 |
|
39421
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
622 |
LinkInfo link_info(pool, index, methodHandle(), CHECK_NULL); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
623 |
Klass* resolved_klass = link_info.resolved_klass(); |
1 | 624 |
|
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
625 |
if (pool->has_preresolution() |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
626 |
|| (resolved_klass == SystemDictionary::MethodHandle_klass() && |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
627 |
MethodHandles::is_signature_polymorphic_name(resolved_klass, link_info.name()))) { |
31019 | 628 |
Method* result = ConstantPool::method_at_if_loaded(pool, index); |
629 |
if (result != NULL) { |
|
630 |
return methodHandle(THREAD, result); |
|
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
631 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
632 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
633 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
634 |
if (code == Bytecodes::_invokeinterface) { |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
635 |
return resolve_interface_method(link_info, code, THREAD); |
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
636 |
} else if (code == Bytecodes::_invokevirtual) { |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
637 |
return resolve_method(link_info, code, THREAD); |
21912 | 638 |
} else if (!resolved_klass->is_interface()) { |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
639 |
return resolve_method(link_info, code, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
640 |
} else { |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
641 |
return resolve_interface_method(link_info, code, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
642 |
} |
1 | 643 |
} |
644 |
||
31019 | 645 |
// Check and print a loader constraint violation message for method or interface method |
646 |
void LinkResolver::check_method_loader_constraints(const LinkInfo& link_info, |
|
647 |
const methodHandle& resolved_method, |
|
648 |
const char* method_type, TRAPS) { |
|
649 |
Handle current_loader(THREAD, link_info.current_klass()->class_loader()); |
|
650 |
Handle resolved_loader(THREAD, resolved_method->method_holder()->class_loader()); |
|
651 |
||
652 |
ResourceMark rm(THREAD); |
|
653 |
Symbol* failed_type_symbol = |
|
654 |
SystemDictionary::check_signature_loaders(link_info.signature(), current_loader, |
|
655 |
resolved_loader, true, CHECK); |
|
656 |
if (failed_type_symbol != NULL) { |
|
657 |
const char* msg = "loader constraint violation: when resolving %s" |
|
50036
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
658 |
" \"%s\" the class loader %s of the current class, %s," |
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
659 |
" and the class loader %s for the method's defining class, %s, have" |
31019 | 660 |
" different Class objects for the type %s used in the signature"; |
661 |
char* sig = link_info.method_string(); |
|
50036
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
662 |
const char* loader1_name = java_lang_ClassLoader::describe_external(current_loader()); |
31019 | 663 |
char* current = link_info.current_klass()->name()->as_C_string(); |
50036
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
664 |
const char* loader2_name = java_lang_ClassLoader::describe_external(resolved_loader()); |
31019 | 665 |
char* target = resolved_method->method_holder()->name()->as_C_string(); |
666 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
|
667 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1_name) + |
|
668 |
strlen(current) + strlen(loader2_name) + strlen(target) + |
|
669 |
strlen(failed_type_name) + strlen(method_type) + 1; |
|
670 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
671 |
jio_snprintf(buf, buflen, msg, method_type, sig, loader1_name, current, loader2_name, |
|
672 |
target, failed_type_name); |
|
673 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
674 |
} |
|
675 |
} |
|
676 |
||
677 |
void LinkResolver::check_field_loader_constraints(Symbol* field, Symbol* sig, |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
678 |
Klass* current_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
679 |
Klass* sel_klass, TRAPS) { |
31019 | 680 |
Handle ref_loader(THREAD, current_klass->class_loader()); |
681 |
Handle sel_loader(THREAD, sel_klass->class_loader()); |
|
682 |
||
683 |
ResourceMark rm(THREAD); // needed for check_signature_loaders |
|
684 |
Symbol* failed_type_symbol = |
|
685 |
SystemDictionary::check_signature_loaders(sig, |
|
686 |
ref_loader, sel_loader, |
|
687 |
false, |
|
688 |
CHECK); |
|
689 |
if (failed_type_symbol != NULL) { |
|
690 |
const char* msg = "loader constraint violation: when resolving field" |
|
50036
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
691 |
" \"%s\" the class loader %s of the referring class, " |
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
692 |
"%s, and the class loader %s for the field's resolved " |
31019 | 693 |
"type, %s, have different Class objects for that type"; |
694 |
char* field_name = field->as_C_string(); |
|
50036
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
695 |
const char* loader1_name = java_lang_ClassLoader::describe_external(ref_loader()); |
31019 | 696 |
char* sel = sel_klass->name()->as_C_string(); |
50036
e0dbf14885b8
8199852: Print more information about class loaders in LinkageErrors.
goetz
parents:
49594
diff
changeset
|
697 |
const char* loader2_name = java_lang_ClassLoader::describe_external(sel_loader()); |
31019 | 698 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
699 |
size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1_name) + |
|
700 |
strlen(sel) + strlen(loader2_name) + strlen(failed_type_name) + 1; |
|
701 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
702 |
jio_snprintf(buf, buflen, msg, field_name, loader1_name, sel, loader2_name, |
|
703 |
failed_type_name); |
|
704 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
705 |
} |
|
706 |
} |
|
707 |
||
708 |
methodHandle LinkResolver::resolve_method(const LinkInfo& link_info, |
|
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
709 |
Bytecodes::Code code, TRAPS) { |
1 | 710 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
711 |
Handle nested_exception; |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
712 |
Klass* resolved_klass = link_info.resolved_klass(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
713 |
|
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
714 |
// 1. For invokevirtual, cannot call an interface method |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
715 |
if (code == Bytecodes::_invokevirtual && resolved_klass->is_interface()) { |
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
716 |
ResourceMark rm(THREAD); |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
717 |
char buf[200]; |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
718 |
jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
719 |
resolved_klass->external_name()); |
31019 | 720 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
20685
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
721 |
} |
2feadfa49bb7
8026299: invokespecial gets ICCE when it should get AME.
acorn
parents:
20391
diff
changeset
|
722 |
|
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
723 |
// 2. check constant pool tag for called method - must be JVM_CONSTANT_Methodref |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
724 |
if (!link_info.tag().is_invalid() && !link_info.tag().is_method()) { |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
725 |
ResourceMark rm(THREAD); |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
726 |
char buf[200]; |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
727 |
jio_snprintf(buf, sizeof(buf), "Method %s must be Methodref constant", link_info.method_string()); |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
728 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
729 |
} |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
730 |
|
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
731 |
// 3. lookup method in resolved klass and its super klasses |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46701
diff
changeset
|
732 |
methodHandle resolved_method(THREAD, lookup_method_in_klasses(link_info, true, false)); |
1 | 733 |
|
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
734 |
// 4. lookup method in all the interfaces implemented by the resolved klass |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
735 |
if (resolved_method.is_null() && !resolved_klass->is_array_klass()) { // not found in the class hierarchy |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46701
diff
changeset
|
736 |
resolved_method = methodHandle(THREAD, lookup_method_in_interfaces(link_info)); |
1 | 737 |
|
738 |
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
|
739 |
// JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc |
31019 | 740 |
resolved_method = lookup_polymorphic_method(link_info, (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
|
741 |
if (HAS_PENDING_EXCEPTION) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
742 |
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
|
743 |
CLEAR_PENDING_EXCEPTION; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
744 |
} |
2534 | 745 |
} |
27020 | 746 |
} |
2534 | 747 |
|
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
748 |
// 5. method lookup failed |
27020 | 749 |
if (resolved_method.is_null()) { |
750 |
ResourceMark rm(THREAD); |
|
31019 | 751 |
THROW_MSG_CAUSE_(vmSymbols::java_lang_NoSuchMethodError(), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
752 |
Method::name_and_sig_as_C_string(resolved_klass, |
31019 | 753 |
link_info.name(), |
754 |
link_info.signature()), |
|
755 |
nested_exception, NULL); |
|
1 | 756 |
} |
757 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
758 |
// 5. access checks, access checking may be turned off when calling from within the VM. |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
759 |
Klass* current_klass = link_info.current_klass(); |
31019 | 760 |
if (link_info.check_access()) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
761 |
assert(current_klass != NULL , "current_klass should not be null"); |
1 | 762 |
|
763 |
// check if method can be accessed by the referring class |
|
764 |
check_method_accessability(current_klass, |
|
765 |
resolved_klass, |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
766 |
resolved_method->method_holder(), |
1 | 767 |
resolved_method, |
31019 | 768 |
CHECK_NULL); |
1 | 769 |
|
770 |
// check loader constraints |
|
31019 | 771 |
check_method_loader_constraints(link_info, resolved_method, "method", CHECK_NULL); |
1 | 772 |
} |
31019 | 773 |
|
774 |
return resolved_method; |
|
1 | 775 |
} |
776 |
||
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
777 |
static void trace_method_resolution(const char* prefix, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
778 |
Klass* klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
779 |
Klass* resolved_klass, |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
780 |
const methodHandle& method, |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
781 |
bool logitables, |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
782 |
int index = -1) { |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
783 |
#ifndef PRODUCT |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
784 |
ResourceMark rm; |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46630
diff
changeset
|
785 |
Log(itables) logi; |
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46630
diff
changeset
|
786 |
LogStream lsi(logi.trace()); |
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46630
diff
changeset
|
787 |
Log(vtables) logv; |
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46630
diff
changeset
|
788 |
LogStream lsv(logv.trace()); |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
789 |
outputStream* st; |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
790 |
if (logitables) { |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46630
diff
changeset
|
791 |
st = &lsi; |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
792 |
} else { |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46630
diff
changeset
|
793 |
st = &lsv; |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
794 |
} |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
795 |
st->print("%s%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ", |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
796 |
prefix, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
797 |
(klass == NULL ? "<NULL>" : klass->internal_name()), |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
798 |
(resolved_klass == NULL ? "<NULL>" : resolved_klass->internal_name()), |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
799 |
Method::name_and_sig_as_C_string(resolved_klass, |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
800 |
method->name(), |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
801 |
method->signature()), |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
802 |
method->method_holder()->internal_name()); |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
803 |
method->print_linkage_flags(st); |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
804 |
if (index != -1) { |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
805 |
st->print("vtable_index:%d", index); |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
806 |
} |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
807 |
st->cr(); |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
808 |
#endif // PRODUCT |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
809 |
} |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
810 |
|
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
811 |
// Do linktime resolution of a method in the interface within the context of the specied bytecode. |
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
812 |
methodHandle LinkResolver::resolve_interface_method(const LinkInfo& link_info, Bytecodes::Code code, TRAPS) { |
31019 | 813 |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
814 |
Klass* resolved_klass = link_info.resolved_klass(); |
1 | 815 |
|
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
816 |
// check if klass is interface |
1 | 817 |
if (!resolved_klass->is_interface()) { |
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
818 |
ResourceMark rm(THREAD); |
1 | 819 |
char buf[200]; |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
820 |
jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass->external_name()); |
31019 | 821 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
1 | 822 |
} |
823 |
||
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
824 |
// check constant pool tag for called method - must be JVM_CONSTANT_InterfaceMethodref |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
825 |
if (!link_info.tag().is_invalid() && !link_info.tag().is_interface_method()) { |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
826 |
ResourceMark rm(THREAD); |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
827 |
char buf[200]; |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
828 |
jio_snprintf(buf, sizeof(buf), "Method %s must be InterfaceMethodref constant", link_info.method_string()); |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
829 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
830 |
} |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
831 |
|
1 | 832 |
// lookup method in this interface or its super, java.lang.Object |
21912 | 833 |
// JDK8: also look for static methods |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46701
diff
changeset
|
834 |
methodHandle resolved_method(THREAD, lookup_method_in_klasses(link_info, false, true)); |
1 | 835 |
|
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
836 |
if (resolved_method.is_null() && !resolved_klass->is_array_klass()) { |
1 | 837 |
// lookup method in all the super-interfaces |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46701
diff
changeset
|
838 |
resolved_method = methodHandle(THREAD, lookup_method_in_interfaces(link_info)); |
27020 | 839 |
} |
840 |
||
841 |
if (resolved_method.is_null()) { |
|
842 |
// no method found |
|
843 |
ResourceMark rm(THREAD); |
|
31019 | 844 |
THROW_MSG_NULL(vmSymbols::java_lang_NoSuchMethodError(), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
845 |
Method::name_and_sig_as_C_string(resolved_klass, |
31019 | 846 |
link_info.name(), |
847 |
link_info.signature())); |
|
1 | 848 |
} |
849 |
||
31019 | 850 |
if (link_info.check_access()) { |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
851 |
// JDK8 adds non-public interface methods, and accessability check requirement |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
852 |
Klass* current_klass = link_info.current_klass(); |
31019 | 853 |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
854 |
assert(current_klass != NULL , "current_klass should not be null"); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
855 |
|
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
856 |
// 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
|
857 |
check_method_accessability(current_klass, |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
858 |
resolved_klass, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
859 |
resolved_method->method_holder(), |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
860 |
resolved_method, |
31019 | 861 |
CHECK_NULL); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
862 |
|
31019 | 863 |
check_method_loader_constraints(link_info, resolved_method, "interface method", CHECK_NULL); |
1 | 864 |
} |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
865 |
|
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
866 |
if (code != Bytecodes::_invokestatic && resolved_method->is_static()) { |
22521
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
867 |
ResourceMark rm(THREAD); |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
868 |
char buf[200]; |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
869 |
jio_snprintf(buf, sizeof(buf), "Expected instance not static method %s", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
870 |
Method::name_and_sig_as_C_string(resolved_klass, |
22521
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
871 |
resolved_method->name(), resolved_method->signature())); |
31019 | 872 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
22521
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
873 |
} |
5387725ea99d
8031045: Access checks should precede additional per-instruction checks
hseigel
parents:
22232
diff
changeset
|
874 |
|
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
875 |
if (code == Bytecodes::_invokeinterface && resolved_method->is_private()) { |
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
876 |
ResourceMark rm(THREAD); |
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
877 |
char buf[200]; |
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
878 |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
879 |
Klass* current_klass = link_info.current_klass(); |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
880 |
jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokeinterface: method %s, caller-class:%s", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
881 |
Method::name_and_sig_as_C_string(resolved_klass, |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
882 |
resolved_method->name(), |
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
883 |
resolved_method->signature()), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
884 |
(current_klass == NULL ? "<NULL>" : current_klass->internal_name())); |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
885 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
886 |
} |
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
887 |
|
35901
f5028c67e7cb
8147918: Rename develop_log_is_enabled() to log_develop_is_enabled()
pliden
parents:
35900
diff
changeset
|
888 |
if (log_develop_is_enabled(Trace, itables)) { |
41669
2091069b6851
8081800: AbstractMethodError when evaluating a private method in an interface via debugger
dholmes
parents:
39699
diff
changeset
|
889 |
char buf[200]; |
2091069b6851
8081800: AbstractMethodError when evaluating a private method in an interface via debugger
dholmes
parents:
39699
diff
changeset
|
890 |
jio_snprintf(buf, sizeof(buf), "%s resolved interface method: caller-class:", |
2091069b6851
8081800: AbstractMethodError when evaluating a private method in an interface via debugger
dholmes
parents:
39699
diff
changeset
|
891 |
Bytecodes::name(code)); |
2091069b6851
8081800: AbstractMethodError when evaluating a private method in an interface via debugger
dholmes
parents:
39699
diff
changeset
|
892 |
trace_method_resolution(buf, link_info.current_klass(), resolved_klass, |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
893 |
resolved_method, true); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
894 |
} |
31019 | 895 |
|
896 |
return resolved_method; |
|
1 | 897 |
} |
898 |
||
899 |
//------------------------------------------------------------------------------------------------------------------------ |
|
900 |
// Field resolution |
|
901 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
902 |
void LinkResolver::check_field_accessability(Klass* ref_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
903 |
Klass* resolved_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
904 |
Klass* sel_klass, |
31019 | 905 |
const fieldDescriptor& fd, |
1 | 906 |
TRAPS) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
907 |
if (!Reflection::verify_field_access(ref_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
908 |
resolved_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
909 |
sel_klass, |
1 | 910 |
fd.access_flags(), |
911 |
true)) { |
|
912 |
ResourceMark rm(THREAD); |
|
913 |
Exceptions::fthrow( |
|
914 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
915 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 916 |
"tried to access field %s.%s from class %s", |
917 |
sel_klass->external_name(), |
|
918 |
fd.name()->as_C_string(), |
|
919 |
ref_klass->external_name() |
|
920 |
); |
|
921 |
return; |
|
922 |
} |
|
923 |
} |
|
924 |
||
39421
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
925 |
void LinkResolver::resolve_field_access(fieldDescriptor& fd, const constantPoolHandle& pool, int index, const methodHandle& method, Bytecodes::Code byte, TRAPS) { |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
926 |
LinkInfo link_info(pool, index, method, CHECK); |
31019 | 927 |
resolve_field(fd, link_info, byte, true, CHECK); |
1 | 928 |
} |
929 |
||
31019 | 930 |
void LinkResolver::resolve_field(fieldDescriptor& fd, |
931 |
const LinkInfo& link_info, |
|
932 |
Bytecodes::Code byte, bool initialize_class, |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
933 |
TRAPS) { |
1 | 934 |
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
|
935 |
byte == Bytecodes::_getfield || byte == Bytecodes::_putfield || |
30117
cce2cdac56dc
8074345: Enable RewriteBytecodes when VM runs with CDS
minqi
parents:
29081
diff
changeset
|
936 |
byte == Bytecodes::_nofast_getfield || byte == Bytecodes::_nofast_putfield || |
31019 | 937 |
(byte == Bytecodes::_nop && !link_info.check_access()), "bad field access bytecode"); |
1 | 938 |
|
939 |
bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); |
|
30117
cce2cdac56dc
8074345: Enable RewriteBytecodes when VM runs with CDS
minqi
parents:
29081
diff
changeset
|
940 |
bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic || byte == Bytecodes::_nofast_putfield); |
1 | 941 |
// Check if there's a resolved klass containing the field |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
942 |
Klass* resolved_klass = link_info.resolved_klass(); |
31019 | 943 |
Symbol* field = link_info.name(); |
944 |
Symbol* sig = link_info.signature(); |
|
945 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
946 |
if (resolved_klass == NULL) { |
1 | 947 |
ResourceMark rm(THREAD); |
948 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
949 |
} |
|
950 |
||
951 |
// Resolve instance field |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
952 |
Klass* sel_klass = resolved_klass->find_field(field, sig, &fd); |
1 | 953 |
// check if field exists; i.e., if a klass containing the field def has been selected |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
954 |
if (sel_klass == NULL) { |
1 | 955 |
ResourceMark rm(THREAD); |
956 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
957 |
} |
|
958 |
||
31019 | 959 |
if (!link_info.check_access()) |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
960 |
// 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
|
961 |
return; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
962 |
|
1 | 963 |
// check access |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
964 |
Klass* current_klass = link_info.current_klass(); |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
965 |
check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK); |
1 | 966 |
|
967 |
// check for errors |
|
968 |
if (is_static != fd.is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
969 |
ResourceMark rm(THREAD); |
1 | 970 |
char msg[200]; |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
971 |
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 | 972 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); |
973 |
} |
|
974 |
||
39421
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
975 |
// A final field can be modified only |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
976 |
// (1) by methods declared in the class declaring the field and |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
977 |
// (2) by the <clinit> method (in case of a static field) |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
978 |
// or by the <init> method (in case of an instance field). |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
979 |
if (is_put && fd.access_flags().is_final()) { |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
980 |
ResourceMark rm(THREAD); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
981 |
stringStream ss; |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
982 |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
983 |
if (sel_klass != current_klass) { |
39421
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
984 |
ss.print("Update to %s final field %s.%s attempted from a different class (%s) than the field's declaring class", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
985 |
is_static ? "static" : "non-static", resolved_klass->external_name(), fd.name()->as_C_string(), |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
986 |
current_klass->external_name()); |
39421
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
987 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), ss.as_string()); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
988 |
} |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
989 |
|
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
990 |
if (fd.constants()->pool_holder()->major_version() >= 53) { |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
991 |
methodHandle m = link_info.current_method(); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
992 |
assert(!m.is_null(), "information about the current method must be available for 'put' bytecodes"); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
993 |
bool is_initialized_static_final_update = (byte == Bytecodes::_putstatic && |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
994 |
fd.is_static() && |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
995 |
!m()->is_static_initializer()); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
996 |
bool is_initialized_instance_final_update = ((byte == Bytecodes::_putfield || byte == Bytecodes::_nofast_putfield) && |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
997 |
!fd.is_static() && |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
998 |
!m->is_object_initializer()); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
999 |
|
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
1000 |
if (is_initialized_static_final_update || is_initialized_instance_final_update) { |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
1001 |
ss.print("Update to %s final field %s.%s attempted from a different method (%s) than the initializer method %s ", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1002 |
is_static ? "static" : "non-static", resolved_klass->external_name(), fd.name()->as_C_string(), |
39699
7a2a49fd5ee0
8160527: Check for final instance field updates can be omitted
zmajo
parents:
39421
diff
changeset
|
1003 |
m()->name()->as_C_string(), |
39421
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
1004 |
is_static ? "<clinit>" : "<init>"); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
1005 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), ss.as_string()); |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
1006 |
} |
a9652c919db8
8157181: Compilers accept modification of final fields outside initializer methods
zmajo
parents:
38939
diff
changeset
|
1007 |
} |
1 | 1008 |
} |
1009 |
||
1010 |
// initialize resolved_klass if necessary |
|
1011 |
// note 1: the klass which declared the field must be initialized (i.e, sel_klass) |
|
1012 |
// according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) |
|
1013 |
// |
|
1014 |
// note 2: we don't want to force initialization if we are just checking |
|
1015 |
// 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
|
1016 |
if (is_static && initialize_class) { |
1 | 1017 |
sel_klass->initialize(CHECK); |
1018 |
} |
|
1019 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1020 |
if (sel_klass != current_klass) { |
31019 | 1021 |
check_field_loader_constraints(field, sig, current_klass, sel_klass, CHECK); |
1 | 1022 |
} |
1023 |
||
1024 |
// return information. note that the klass is set to the actual klass containing the |
|
1025 |
// field, otherwise access of static fields in superclasses will not work. |
|
1026 |
} |
|
1027 |
||
1028 |
||
1029 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1030 |
// Invoke resolution |
|
1031 |
// |
|
1032 |
// Naming conventions: |
|
1033 |
// |
|
1034 |
// resolved_method the specified method (i.e., static receiver specified via constant pool index) |
|
1035 |
// sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) |
|
1036 |
// resolved_klass the specified klass (i.e., specified via constant pool index) |
|
1037 |
// recv_klass the receiver klass |
|
1038 |
||
1039 |
||
31019 | 1040 |
void LinkResolver::resolve_static_call(CallInfo& result, |
1041 |
const LinkInfo& link_info, |
|
1042 |
bool initialize_class, TRAPS) { |
|
1043 |
methodHandle resolved_method = linktime_resolve_static_method(link_info, CHECK); |
|
1 | 1044 |
|
31019 | 1045 |
// The resolved class can change as a result of this resolution. |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1046 |
Klass* resolved_klass = resolved_method->method_holder(); |
31019 | 1047 |
|
1 | 1048 |
// Initialize klass (this should only happen if everything is ok) |
1049 |
if (initialize_class && resolved_klass->should_be_initialized()) { |
|
1050 |
resolved_klass->initialize(CHECK); |
|
38939
c1b1d1d0e89b
8158397: Crash: assert(save_resolved_method == resolved_method()) failed: does this change?
coleenp
parents:
38719
diff
changeset
|
1051 |
// Use updated LinkInfo to reresolve with resolved method holder |
31019 | 1052 |
LinkInfo new_info(resolved_klass, link_info.name(), link_info.signature(), |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
1053 |
link_info.current_klass(), |
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
1054 |
link_info.check_access() ? LinkInfo::needs_access_check : LinkInfo::skip_access_check); |
31019 | 1055 |
resolved_method = linktime_resolve_static_method(new_info, CHECK); |
1 | 1056 |
} |
1057 |
||
1058 |
// setup result |
|
1059 |
result.set_static(resolved_klass, resolved_method, CHECK); |
|
1060 |
} |
|
1061 |
||
1062 |
// throws linktime exceptions |
|
31019 | 1063 |
methodHandle LinkResolver::linktime_resolve_static_method(const LinkInfo& link_info, TRAPS) { |
1 | 1064 |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1065 |
Klass* resolved_klass = link_info.resolved_klass(); |
31019 | 1066 |
methodHandle resolved_method; |
21912 | 1067 |
if (!resolved_klass->is_interface()) { |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
1068 |
resolved_method = resolve_method(link_info, Bytecodes::_invokestatic, CHECK_NULL); |
21912 | 1069 |
} else { |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
1070 |
resolved_method = resolve_interface_method(link_info, Bytecodes::_invokestatic, CHECK_NULL); |
21912 | 1071 |
} |
1 | 1072 |
assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); |
1073 |
||
1074 |
// check if static |
|
1075 |
if (!resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1076 |
ResourceMark rm(THREAD); |
1 | 1077 |
char buf[200]; |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1078 |
jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(resolved_klass, |
1 | 1079 |
resolved_method->name(), |
1080 |
resolved_method->signature())); |
|
31019 | 1081 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
1 | 1082 |
} |
31019 | 1083 |
return resolved_method; |
1 | 1084 |
} |
1085 |
||
1086 |
||
31019 | 1087 |
void LinkResolver::resolve_special_call(CallInfo& result, |
44738 | 1088 |
Handle recv, |
31019 | 1089 |
const LinkInfo& link_info, |
1090 |
TRAPS) { |
|
1091 |
methodHandle resolved_method = linktime_resolve_special_method(link_info, CHECK); |
|
47401 | 1092 |
runtime_resolve_special_method(result, link_info, resolved_method, recv, CHECK); |
1 | 1093 |
} |
1094 |
||
1095 |
// throws linktime exceptions |
|
31019 | 1096 |
methodHandle LinkResolver::linktime_resolve_special_method(const LinkInfo& link_info, |
1097 |
TRAPS) { |
|
1 | 1098 |
|
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1099 |
// Invokespecial is called for multiple special reasons: |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1100 |
// <init> |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1101 |
// 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
|
1102 |
// 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
|
1103 |
// 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
|
1104 |
// superinterface.method, which explicitly does not check shadowing |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1105 |
Klass* resolved_klass = link_info.resolved_klass(); |
31019 | 1106 |
methodHandle resolved_method; |
14385 | 1107 |
|
21912 | 1108 |
if (!resolved_klass->is_interface()) { |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
1109 |
resolved_method = resolve_method(link_info, Bytecodes::_invokespecial, CHECK_NULL); |
21912 | 1110 |
} else { |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
1111 |
resolved_method = resolve_interface_method(link_info, Bytecodes::_invokespecial, CHECK_NULL); |
21912 | 1112 |
} |
1 | 1113 |
|
1114 |
// check if method name is <init>, that it is found in same klass as static type |
|
1115 |
if (resolved_method->name() == vmSymbols::object_initializer_name() && |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1116 |
resolved_method->method_holder() != resolved_klass) { |
1 | 1117 |
ResourceMark rm(THREAD); |
1118 |
Exceptions::fthrow( |
|
1119 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1120 |
vmSymbols::java_lang_NoSuchMethodError(), |
1 | 1121 |
"%s: method %s%s not found", |
1122 |
resolved_klass->external_name(), |
|
1123 |
resolved_method->name()->as_C_string(), |
|
1124 |
resolved_method->signature()->as_C_string() |
|
1125 |
); |
|
31019 | 1126 |
return NULL; |
1 | 1127 |
} |
1128 |
||
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1129 |
// check if invokespecial's interface method reference is in an indirect superinterface |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1130 |
Klass* current_klass = link_info.current_klass(); |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1131 |
if (current_klass != NULL && resolved_klass->is_interface()) { |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1132 |
InstanceKlass* ck = InstanceKlass::cast(current_klass); |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1133 |
InstanceKlass *klass_to_check = !ck->is_anonymous() ? |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1134 |
ck : |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1135 |
InstanceKlass::cast(ck->host_klass()); |
25057 | 1136 |
// Disable verification for the dynamically-generated reflection bytecodes. |
1137 |
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
|
1138 |
SystemDictionary::reflect_MagicAccessorImpl_klass()); |
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1139 |
|
22218
71cff6a30ec1
8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents:
21913
diff
changeset
|
1140 |
if (!is_reflect && |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1141 |
!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
|
1142 |
ResourceMark rm(THREAD); |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1143 |
char buf[200]; |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1144 |
jio_snprintf(buf, sizeof(buf), |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1145 |
"Interface method reference: %s, is in an indirect superinterface of %s", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1146 |
Method::name_and_sig_as_C_string(resolved_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1147 |
resolved_method->name(), |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1148 |
resolved_method->signature()), |
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1149 |
current_klass->external_name()); |
31019 | 1150 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1151 |
} |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1152 |
} |
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21556
diff
changeset
|
1153 |
|
1 | 1154 |
// check if not static |
1155 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1156 |
ResourceMark rm(THREAD); |
1 | 1157 |
char buf[200]; |
1158 |
jio_snprintf(buf, sizeof(buf), |
|
1159 |
"Expecting non-static method %s", |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1160 |
Method::name_and_sig_as_C_string(resolved_klass, |
31019 | 1161 |
resolved_method->name(), |
1162 |
resolved_method->signature())); |
|
1163 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
1 | 1164 |
} |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1165 |
|
35901
f5028c67e7cb
8147918: Rename develop_log_is_enabled() to log_develop_is_enabled()
pliden
parents:
35900
diff
changeset
|
1166 |
if (log_develop_is_enabled(Trace, itables)) { |
31019 | 1167 |
trace_method_resolution("invokespecial resolved method: caller-class:", |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
1168 |
current_klass, resolved_klass, resolved_method, true); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1169 |
} |
31019 | 1170 |
|
1171 |
return resolved_method; |
|
1 | 1172 |
} |
1173 |
||
1174 |
// throws runtime exceptions |
|
31019 | 1175 |
void LinkResolver::runtime_resolve_special_method(CallInfo& result, |
47401 | 1176 |
const LinkInfo& link_info, |
31019 | 1177 |
const methodHandle& resolved_method, |
47401 | 1178 |
Handle recv, TRAPS) { |
1179 |
||
1180 |
Klass* resolved_klass = link_info.resolved_klass(); |
|
1 | 1181 |
|
1182 |
// 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
|
1183 |
// for a superclass method |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1184 |
// 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
|
1185 |
// no checks for shadowing |
1 | 1186 |
methodHandle sel_method(THREAD, resolved_method()); |
1187 |
||
47401 | 1188 |
if (link_info.check_access() && |
44738 | 1189 |
// check if the method is not <init> |
1190 |
resolved_method->name() != vmSymbols::object_initializer_name()) { |
|
1 | 1191 |
|
47401 | 1192 |
// check if this is an old-style super call and do a new lookup if so |
1 | 1193 |
// a) check if ACC_SUPER flag is set for the current class |
47401 | 1194 |
Klass* current_klass = link_info.current_klass(); |
44738 | 1195 |
if ((current_klass->is_super() || !AllowNonVirtualCalls) && |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1196 |
// 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
|
1197 |
// (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
|
1198 |
// 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
|
1199 |
// in super interfaces. |
46458 | 1200 |
current_klass->is_subclass_of(resolved_klass) && |
1201 |
current_klass != resolved_klass) { |
|
1 | 1202 |
// Lookup super method |
46458 | 1203 |
Klass* super_klass = current_klass->super(); |
31019 | 1204 |
sel_method = lookup_instance_method_in_klasses(super_klass, |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1205 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1206 |
resolved_method->signature(), CHECK); |
1 | 1207 |
// check if found |
1208 |
if (sel_method.is_null()) { |
|
1209 |
ResourceMark rm(THREAD); |
|
1210 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
46458 | 1211 |
Method::name_and_sig_as_C_string(resolved_klass, |
1 | 1212 |
resolved_method->name(), |
1213 |
resolved_method->signature())); |
|
47401 | 1214 |
// check loader constraints if found a different method |
1215 |
} else if (sel_method() != resolved_method()) { |
|
1216 |
check_method_loader_constraints(link_info, sel_method, "method", CHECK); |
|
1 | 1217 |
} |
1218 |
} |
|
44738 | 1219 |
|
1220 |
// Check that the class of objectref (the receiver) is the current class or interface, |
|
1221 |
// or a subtype of the current class or interface (the sender), otherwise invokespecial |
|
1222 |
// throws IllegalAccessError. |
|
1223 |
// The verifier checks that the sender is a subtype of the class in the I/MR operand. |
|
1224 |
// The verifier also checks that the receiver is a subtype of the sender, if the sender is |
|
1225 |
// a class. If the sender is an interface, the check has to be performed at runtime. |
|
46458 | 1226 |
InstanceKlass* sender = InstanceKlass::cast(current_klass); |
44738 | 1227 |
sender = sender->is_anonymous() ? sender->host_klass() : sender; |
1228 |
if (sender->is_interface() && recv.not_null()) { |
|
1229 |
Klass* receiver_klass = recv->klass(); |
|
1230 |
if (!receiver_klass->is_subtype_of(sender)) { |
|
1231 |
ResourceMark rm(THREAD); |
|
1232 |
char buf[500]; |
|
1233 |
jio_snprintf(buf, sizeof(buf), |
|
1234 |
"Receiver class %s must be the current class or a subtype of interface %s", |
|
1235 |
receiver_klass->name()->as_C_string(), |
|
1236 |
sender->name()->as_C_string()); |
|
1237 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), buf); |
|
1238 |
} |
|
1239 |
} |
|
1 | 1240 |
} |
1241 |
||
1242 |
// check if not static |
|
1243 |
if (sel_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1244 |
ResourceMark rm(THREAD); |
1 | 1245 |
char buf[200]; |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1246 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1247 |
resolved_method->name(), |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1248 |
resolved_method->signature())); |
1 | 1249 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
1250 |
} |
|
1251 |
||
1252 |
// check if abstract |
|
1253 |
if (sel_method->is_abstract()) { |
|
1254 |
ResourceMark rm(THREAD); |
|
1255 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1256 |
Method::name_and_sig_as_C_string(resolved_klass, |
31019 | 1257 |
sel_method->name(), |
1258 |
sel_method->signature())); |
|
1 | 1259 |
} |
1260 |
||
35901
f5028c67e7cb
8147918: Rename develop_log_is_enabled() to log_develop_is_enabled()
pliden
parents:
35900
diff
changeset
|
1261 |
if (log_develop_is_enabled(Trace, itables)) { |
31019 | 1262 |
trace_method_resolution("invokespecial selected method: resolved-class:", |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
1263 |
resolved_klass, resolved_klass, sel_method, true); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1264 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1265 |
|
1 | 1266 |
// setup result |
1267 |
result.set_static(resolved_klass, sel_method, CHECK); |
|
1268 |
} |
|
1269 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1270 |
void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, Klass* receiver_klass, |
31019 | 1271 |
const LinkInfo& link_info, |
1272 |
bool check_null_and_abstract, TRAPS) { |
|
1273 |
methodHandle resolved_method = linktime_resolve_virtual_method(link_info, CHECK); |
|
1274 |
runtime_resolve_virtual_method(result, resolved_method, |
|
1275 |
link_info.resolved_klass(), |
|
1276 |
recv, receiver_klass, |
|
1277 |
check_null_and_abstract, CHECK); |
|
1 | 1278 |
} |
1279 |
||
1280 |
// throws linktime exceptions |
|
31019 | 1281 |
methodHandle LinkResolver::linktime_resolve_virtual_method(const LinkInfo& link_info, |
1282 |
TRAPS) { |
|
1 | 1283 |
// normal method resolution |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
1284 |
methodHandle resolved_method = resolve_method(link_info, Bytecodes::_invokevirtual, CHECK_NULL); |
1 | 1285 |
|
1286 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
1287 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
1288 |
||
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1289 |
// check if private interface method |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1290 |
Klass* resolved_klass = link_info.resolved_klass(); |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1291 |
Klass* current_klass = link_info.current_klass(); |
31019 | 1292 |
|
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
1293 |
// This is impossible, if resolve_klass is an interface, we've thrown icce in resolve_method |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1294 |
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
|
1295 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1296 |
char buf[200]; |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1297 |
jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokevirtual: method %s, caller-class:%s", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1298 |
Method::name_and_sig_as_C_string(resolved_klass, |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1299 |
resolved_method->name(), |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1300 |
resolved_method->signature()), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1301 |
(current_klass == NULL ? "<NULL>" : current_klass->internal_name())); |
31019 | 1302 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1303 |
} |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1304 |
|
1 | 1305 |
// check if not static |
1306 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1307 |
ResourceMark rm(THREAD); |
1 | 1308 |
char buf[200]; |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1309 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass, |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1310 |
resolved_method->name(), |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1311 |
resolved_method->signature())); |
31019 | 1312 |
THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
1 | 1313 |
} |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1314 |
|
35901
f5028c67e7cb
8147918: Rename develop_log_is_enabled() to log_develop_is_enabled()
pliden
parents:
35900
diff
changeset
|
1315 |
if (log_develop_is_enabled(Trace, vtables)) { |
31019 | 1316 |
trace_method_resolution("invokevirtual resolved method: caller-class:", |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
1317 |
current_klass, resolved_klass, resolved_method, false); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20284
diff
changeset
|
1318 |
} |
31019 | 1319 |
|
1320 |
return resolved_method; |
|
1 | 1321 |
} |
1322 |
||
1323 |
// throws runtime exceptions |
|
1324 |
void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, |
|
31019 | 1325 |
const methodHandle& resolved_method, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1326 |
Klass* resolved_klass, |
1 | 1327 |
Handle recv, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1328 |
Klass* recv_klass, |
1 | 1329 |
bool check_null_and_abstract, |
1330 |
TRAPS) { |
|
1331 |
||
1332 |
// setup default return values |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1333 |
int vtable_index = Method::invalid_vtable_index; |
1 | 1334 |
methodHandle selected_method; |
1335 |
||
1336 |
// runtime method resolution |
|
1337 |
if (check_null_and_abstract && recv.is_null()) { // check if receiver exists |
|
1338 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
1339 |
} |
|
1340 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1341 |
// Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s |
1 | 1342 |
// has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since |
1343 |
// 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
|
1344 |
assert(resolved_method->method_holder()->is_linked(), "must be linked"); |
1 | 1345 |
|
1346 |
// do lookup based on receiver klass using the vtable index |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31019
diff
changeset
|
1347 |
if (resolved_method->method_holder()->is_interface()) { // default or miranda method |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1348 |
vtable_index = vtable_index_of_interface_method(resolved_klass, resolved_method); |
1 | 1349 |
assert(vtable_index >= 0 , "we should have valid vtable index at this point"); |
1350 |
||
35900 | 1351 |
selected_method = methodHandle(THREAD, recv_klass->method_at_vtable(vtable_index)); |
1 | 1352 |
} else { |
1353 |
// at this point we are sure that resolved_method is virtual and not |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31019
diff
changeset
|
1354 |
// a default or 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
|
1355 |
assert(!resolved_method->has_itable_index(), ""); |
1 | 1356 |
vtable_index = resolved_method->vtable_index(); |
1357 |
// We could get a negative vtable_index for final methods, |
|
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1358 |
// because as an optimization they are never put in the vtable, |
1 | 1359 |
// unless they override an existing method. |
1360 |
// If we do get a negative, it means the resolved method is the the selected |
|
1361 |
// 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
|
1362 |
if (vtable_index == Method::nonvirtual_vtable_index) { |
1 | 1363 |
assert(resolved_method->can_be_statically_bound(), "cannot override this method"); |
1364 |
selected_method = resolved_method; |
|
1365 |
} else { |
|
35900 | 1366 |
selected_method = methodHandle(THREAD, recv_klass->method_at_vtable(vtable_index)); |
1 | 1367 |
} |
1368 |
} |
|
1369 |
||
1370 |
// check if method exists |
|
1371 |
if (selected_method.is_null()) { |
|
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1372 |
throw_abstract_method_error(resolved_method, recv_klass, CHECK); |
1 | 1373 |
} |
1374 |
||
1375 |
// check if abstract |
|
1376 |
if (check_null_and_abstract && selected_method->is_abstract()) { |
|
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1377 |
// Pass arguments for generating a verbose error message. |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1378 |
throw_abstract_method_error(resolved_method, selected_method, recv_klass, CHECK); |
1 | 1379 |
} |
1380 |
||
35901
f5028c67e7cb
8147918: Rename develop_log_is_enabled() to log_develop_is_enabled()
pliden
parents:
35900
diff
changeset
|
1381 |
if (log_develop_is_enabled(Trace, vtables)) { |
31019 | 1382 |
trace_method_resolution("invokevirtual selected method: receiver-class:", |
35463
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
1383 |
recv_klass, resolved_klass, selected_method, |
b32e362563bb
8141564: Convert TraceItables and PrintVtables to Unified Logging
rprotacio
parents:
34666
diff
changeset
|
1384 |
false, vtable_index); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1385 |
} |
1 | 1386 |
// setup result |
1387 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); |
|
1388 |
} |
|
1389 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1390 |
void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, Klass* recv_klass, |
31019 | 1391 |
const LinkInfo& link_info, |
1392 |
bool check_null_and_abstract, TRAPS) { |
|
1393 |
// throws linktime exceptions |
|
1394 |
methodHandle resolved_method = linktime_resolve_interface_method(link_info, CHECK); |
|
1395 |
runtime_resolve_interface_method(result, resolved_method,link_info.resolved_klass(), |
|
1396 |
recv, recv_klass, check_null_and_abstract, CHECK); |
|
1 | 1397 |
} |
1398 |
||
31019 | 1399 |
methodHandle LinkResolver::linktime_resolve_interface_method(const LinkInfo& link_info, |
1400 |
TRAPS) { |
|
1 | 1401 |
// normal interface method resolution |
38034
f22f68545fd5
8153115: Move private interface check to linktime
iveresov
parents:
37267
diff
changeset
|
1402 |
methodHandle resolved_method = resolve_interface_method(link_info, Bytecodes::_invokeinterface, CHECK_NULL); |
1 | 1403 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
1404 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
31019 | 1405 |
|
1406 |
return resolved_method; |
|
1 | 1407 |
} |
1408 |
||
1409 |
// throws runtime exceptions |
|
31019 | 1410 |
void LinkResolver::runtime_resolve_interface_method(CallInfo& result, |
1411 |
const methodHandle& resolved_method, |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1412 |
Klass* resolved_klass, |
31019 | 1413 |
Handle recv, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1414 |
Klass* recv_klass, |
31019 | 1415 |
bool check_null_and_abstract, TRAPS) { |
1 | 1416 |
// check if receiver exists |
1417 |
if (check_null_and_abstract && recv.is_null()) { |
|
1418 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
1419 |
} |
|
1420 |
||
1421 |
// check if receiver klass implements the resolved interface |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1422 |
if (!recv_klass->is_subtype_of(resolved_klass)) { |
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1423 |
ResourceMark rm(THREAD); |
1 | 1424 |
char buf[200]; |
1425 |
jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1426 |
recv_klass->external_name(), |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1427 |
resolved_klass->external_name()); |
1 | 1428 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
1429 |
} |
|
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
1430 |
|
1 | 1431 |
// do lookup based on receiver klass |
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
1432 |
// This search must match the linktime preparation search for itable initialization |
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
22219
diff
changeset
|
1433 |
// to correctly enforce loader constraints for interface method inheritance |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1434 |
methodHandle selected_method = lookup_instance_method_in_klasses(recv_klass, |
31019 | 1435 |
resolved_method->name(), |
1436 |
resolved_method->signature(), CHECK); |
|
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1437 |
if (selected_method.is_null() && !check_null_and_abstract) { |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1438 |
// 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
|
1439 |
// 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
|
1440 |
// This needs further study. |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1441 |
selected_method = resolved_method; |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1442 |
} |
1 | 1443 |
// check if method exists |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1444 |
if (selected_method.is_null()) { |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1445 |
// Pass arguments for generating a verbose error message. |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1446 |
throw_abstract_method_error(resolved_method, recv_klass, CHECK); |
1 | 1447 |
} |
17024
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1448 |
// check access |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1449 |
// Throw Illegal Access Error if selected_method is not public. |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1450 |
if (!selected_method->is_public()) { |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1451 |
ResourceMark rm(THREAD); |
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1452 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1453 |
Method::name_and_sig_as_C_string(recv_klass, |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1454 |
selected_method->name(), |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1455 |
selected_method->signature())); |
17024
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1456 |
} |
1 | 1457 |
// check if abstract |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1458 |
if (check_null_and_abstract && selected_method->is_abstract()) { |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1459 |
throw_abstract_method_error(resolved_method, selected_method, recv_klass, CHECK); |
1 | 1460 |
} |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1461 |
|
35901
f5028c67e7cb
8147918: Rename develop_log_is_enabled() to log_develop_is_enabled()
pliden
parents:
35900
diff
changeset
|
1462 |
if (log_develop_is_enabled(Trace, itables)) { |
41669
2091069b6851
8081800: AbstractMethodError when evaluating a private method in an interface via debugger
dholmes
parents:
39699
diff
changeset
|
1463 |
trace_method_resolution("invokeinterface selected method: receiver-class:", |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1464 |
recv_klass, resolved_klass, selected_method, true); |
20284
595a25ab9474
8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents:
20282
diff
changeset
|
1465 |
} |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1466 |
// setup result |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1467 |
if (!resolved_method->has_itable_index()) { |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1468 |
int vtable_index = resolved_method->vtable_index(); |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1469 |
assert(vtable_index == selected_method->vtable_index(), "sanity check"); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1470 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1471 |
} else { |
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1472 |
int itable_index = resolved_method()->itable_index(); |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1473 |
result.set_interface(resolved_klass, recv_klass, resolved_method, selected_method, itable_index, CHECK); |
21556
e75cd34a59e0
8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents:
21078
diff
changeset
|
1474 |
} |
1 | 1475 |
} |
1476 |
||
1477 |
||
1478 |
methodHandle LinkResolver::linktime_resolve_interface_method_or_null( |
|
31019 | 1479 |
const LinkInfo& link_info) { |
1 | 1480 |
EXCEPTION_MARK; |
31019 | 1481 |
methodHandle method_result = linktime_resolve_interface_method(link_info, THREAD); |
1 | 1482 |
if (HAS_PENDING_EXCEPTION) { |
1483 |
CLEAR_PENDING_EXCEPTION; |
|
1484 |
return methodHandle(); |
|
1485 |
} else { |
|
1486 |
return method_result; |
|
1487 |
} |
|
1488 |
} |
|
1489 |
||
1490 |
methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( |
|
31019 | 1491 |
const LinkInfo& link_info) { |
1 | 1492 |
EXCEPTION_MARK; |
31019 | 1493 |
methodHandle method_result = linktime_resolve_virtual_method(link_info, THREAD); |
1 | 1494 |
if (HAS_PENDING_EXCEPTION) { |
1495 |
CLEAR_PENDING_EXCEPTION; |
|
1496 |
return methodHandle(); |
|
1497 |
} else { |
|
1498 |
return method_result; |
|
1499 |
} |
|
1500 |
} |
|
1501 |
||
1502 |
methodHandle LinkResolver::resolve_virtual_call_or_null( |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1503 |
Klass* receiver_klass, |
31019 | 1504 |
const LinkInfo& link_info) { |
1 | 1505 |
EXCEPTION_MARK; |
1506 |
CallInfo info; |
|
31019 | 1507 |
resolve_virtual_call(info, Handle(), receiver_klass, link_info, false, THREAD); |
1 | 1508 |
if (HAS_PENDING_EXCEPTION) { |
1509 |
CLEAR_PENDING_EXCEPTION; |
|
1510 |
return methodHandle(); |
|
1511 |
} |
|
1512 |
return info.selected_method(); |
|
1513 |
} |
|
1514 |
||
1515 |
methodHandle LinkResolver::resolve_interface_call_or_null( |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1516 |
Klass* receiver_klass, |
31019 | 1517 |
const LinkInfo& link_info) { |
1 | 1518 |
EXCEPTION_MARK; |
1519 |
CallInfo info; |
|
31019 | 1520 |
resolve_interface_call(info, Handle(), receiver_klass, link_info, false, THREAD); |
1 | 1521 |
if (HAS_PENDING_EXCEPTION) { |
1522 |
CLEAR_PENDING_EXCEPTION; |
|
1523 |
return methodHandle(); |
|
1524 |
} |
|
1525 |
return info.selected_method(); |
|
1526 |
} |
|
1527 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1528 |
int LinkResolver::resolve_virtual_vtable_index(Klass* receiver_klass, |
31019 | 1529 |
const LinkInfo& link_info) { |
1 | 1530 |
EXCEPTION_MARK; |
1531 |
CallInfo info; |
|
31019 | 1532 |
resolve_virtual_call(info, Handle(), receiver_klass, link_info, |
1533 |
/*check_null_or_abstract*/false, THREAD); |
|
1 | 1534 |
if (HAS_PENDING_EXCEPTION) { |
1535 |
CLEAR_PENDING_EXCEPTION; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1536 |
return Method::invalid_vtable_index; |
1 | 1537 |
} |
1538 |
return info.vtable_index(); |
|
1539 |
} |
|
1540 |
||
31019 | 1541 |
methodHandle LinkResolver::resolve_static_call_or_null(const LinkInfo& link_info) { |
1 | 1542 |
EXCEPTION_MARK; |
1543 |
CallInfo info; |
|
31019 | 1544 |
resolve_static_call(info, link_info, /*initialize_class*/false, THREAD); |
1 | 1545 |
if (HAS_PENDING_EXCEPTION) { |
1546 |
CLEAR_PENDING_EXCEPTION; |
|
1547 |
return methodHandle(); |
|
1548 |
} |
|
1549 |
return info.selected_method(); |
|
1550 |
} |
|
1551 |
||
31019 | 1552 |
methodHandle LinkResolver::resolve_special_call_or_null(const LinkInfo& link_info) { |
1 | 1553 |
EXCEPTION_MARK; |
1554 |
CallInfo info; |
|
44738 | 1555 |
resolve_special_call(info, Handle(), link_info, THREAD); |
1 | 1556 |
if (HAS_PENDING_EXCEPTION) { |
1557 |
CLEAR_PENDING_EXCEPTION; |
|
1558 |
return methodHandle(); |
|
1559 |
} |
|
1560 |
return info.selected_method(); |
|
1561 |
} |
|
1562 |
||
1563 |
||
1564 |
||
1565 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1566 |
// ConstantPool entries |
|
1567 |
||
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1568 |
void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, const constantPoolHandle& pool, int index, Bytecodes::Code byte, TRAPS) { |
1 | 1569 |
switch (byte) { |
1570 |
case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; |
|
44738 | 1571 |
case Bytecodes::_invokespecial : resolve_invokespecial (result, recv, pool, index, CHECK); break; |
1 | 1572 |
case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1573 |
case Bytecodes::_invokehandle : resolve_invokehandle (result, pool, index, CHECK); break; |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1574 |
case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
1 | 1575 |
case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; |
46630
75aa3e39d02c
8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8
jwilhelm
parents:
46560
diff
changeset
|
1576 |
default : break; |
1 | 1577 |
} |
1578 |
return; |
|
1579 |
} |
|
1580 |
||
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1581 |
void LinkResolver::resolve_invoke(CallInfo& result, Handle& recv, |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1582 |
const methodHandle& attached_method, |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1583 |
Bytecodes::Code byte, TRAPS) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1584 |
Klass* defc = attached_method->method_holder(); |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1585 |
Symbol* name = attached_method->name(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1586 |
Symbol* type = attached_method->signature(); |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38139
diff
changeset
|
1587 |
LinkInfo link_info(defc, name, type); |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1588 |
switch(byte) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1589 |
case Bytecodes::_invokevirtual: |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1590 |
resolve_virtual_call(result, recv, recv->klass(), link_info, |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1591 |
/*check_null_and_abstract=*/true, CHECK); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1592 |
break; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1593 |
case Bytecodes::_invokeinterface: |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1594 |
resolve_interface_call(result, recv, recv->klass(), link_info, |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1595 |
/*check_null_and_abstract=*/true, CHECK); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1596 |
break; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1597 |
case Bytecodes::_invokestatic: |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1598 |
resolve_static_call(result, link_info, /*initialize_class=*/false, CHECK); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1599 |
break; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1600 |
case Bytecodes::_invokespecial: |
44738 | 1601 |
resolve_special_call(result, recv, link_info, CHECK); |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1602 |
break; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1603 |
default: |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1604 |
fatal("bad call: %s", Bytecodes::name(byte)); |
46630
75aa3e39d02c
8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8
jwilhelm
parents:
46560
diff
changeset
|
1605 |
break; |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1606 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1607 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34238
diff
changeset
|
1608 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1609 |
void LinkResolver::resolve_invokestatic(CallInfo& result, const constantPoolHandle& pool, int index, TRAPS) { |
31019 | 1610 |
LinkInfo link_info(pool, index, CHECK); |
1611 |
resolve_static_call(result, link_info, /*initialize_class*/true, CHECK); |
|
1 | 1612 |
} |
1613 |
||
1614 |
||
44738 | 1615 |
void LinkResolver::resolve_invokespecial(CallInfo& result, Handle recv, |
1616 |
const constantPoolHandle& pool, int index, TRAPS) { |
|
31019 | 1617 |
LinkInfo link_info(pool, index, CHECK); |
44738 | 1618 |
resolve_special_call(result, recv, link_info, CHECK); |
1 | 1619 |
} |
1620 |
||
1621 |
||
1622 |
void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1623 |
const constantPoolHandle& pool, int index, |
1 | 1624 |
TRAPS) { |
1625 |
||
31019 | 1626 |
LinkInfo link_info(pool, index, CHECK); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1627 |
Klass* recvrKlass = recv.is_null() ? (Klass*)NULL : recv->klass(); |
31019 | 1628 |
resolve_virtual_call(result, recv, recvrKlass, link_info, /*check_null_or_abstract*/true, CHECK); |
1 | 1629 |
} |
1630 |
||
1631 |
||
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1632 |
void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, const constantPoolHandle& pool, int index, TRAPS) { |
31019 | 1633 |
LinkInfo link_info(pool, index, CHECK); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1634 |
Klass* recvrKlass = recv.is_null() ? (Klass*)NULL : recv->klass(); |
31019 | 1635 |
resolve_interface_call(result, recv, recvrKlass, link_info, true, CHECK); |
1 | 1636 |
} |
1637 |
||
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1638 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1639 |
void LinkResolver::resolve_invokehandle(CallInfo& result, const constantPoolHandle& pool, int index, TRAPS) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1640 |
// This guy is reached from InterpreterRuntime::resolve_invokehandle. |
31019 | 1641 |
LinkInfo link_info(pool, index, CHECK); |
16691 | 1642 |
if (TraceMethodHandles) { |
1643 |
ResourceMark rm(THREAD); |
|
31019 | 1644 |
tty->print_cr("resolve_invokehandle %s %s", link_info.name()->as_C_string(), |
1645 |
link_info.signature()->as_C_string()); |
|
16691 | 1646 |
} |
31019 | 1647 |
resolve_handle_call(result, link_info, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1648 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1649 |
|
31019 | 1650 |
void LinkResolver::resolve_handle_call(CallInfo& result, |
1651 |
const LinkInfo& link_info, |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1652 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1653 |
// JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1654 |
Klass* resolved_klass = link_info.resolved_klass(); |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1655 |
assert(resolved_klass == SystemDictionary::MethodHandle_klass() || |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1656 |
resolved_klass == SystemDictionary::VarHandle_klass(), ""); |
31019 | 1657 |
assert(MethodHandles::is_signature_polymorphic_name(link_info.name()), ""); |
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
|
1658 |
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
|
1659 |
Handle resolved_method_type; |
31019 | 1660 |
methodHandle resolved_method = lookup_polymorphic_method(link_info, |
1661 |
&resolved_appendix, &resolved_method_type, CHECK); |
|
36819 | 1662 |
result.set_handle(resolved_klass, 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
|
1663 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1664 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1665 |
void LinkResolver::resolve_invokedynamic(CallInfo& result, const constantPoolHandle& pool, int index, TRAPS) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1666 |
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
|
1667 |
Symbol* method_signature = pool->signature_ref_at(index); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1668 |
Klass* current_klass = pool->pool_holder(); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1669 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1670 |
// 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
|
1671 |
Handle bootstrap_specifier; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1672 |
// Check if CallSite has been bound already: |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1673 |
ConstantPoolCacheEntry* cpce = pool->invokedynamic_cp_cache_entry_at(index); |
47684
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1674 |
int pool_index = cpce->constant_pool_index(); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1675 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1676 |
if (cpce->is_f1_null()) { |
47684
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1677 |
if (cpce->indy_resolution_failed()) { |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1678 |
ConstantPool::throw_resolution_error(pool, |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1679 |
ResolutionErrorTable::encode_cpcache_index(index), |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1680 |
CHECK); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1681 |
} |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1682 |
|
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1683 |
// The initial step in Call Site Specifier Resolution is to resolve the symbolic |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1684 |
// reference to a method handle which will be the bootstrap method for a dynamic |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1685 |
// call site. If resolution for the java.lang.invoke.MethodHandle for the bootstrap |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1686 |
// method fails, then a MethodHandleInError is stored at the corresponding bootstrap |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1687 |
// method's CP index for the CONSTANT_MethodHandle_info. So, there is no need to |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1688 |
// set the indy_rf flag since any subsequent invokedynamic instruction which shares |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1689 |
// this bootstrap method will encounter the resolution of MethodHandleInError. |
30746
dfce1db72058
8051045: HotSpot fails to wrap Exceptions from invokedynamic in a BootstrapMethodError
aeriksso
parents:
30227
diff
changeset
|
1690 |
oop bsm_info = pool->resolve_bootstrap_specifier_at(pool_index, THREAD); |
48826 | 1691 |
Exceptions::wrap_dynamic_exception(CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1692 |
assert(bsm_info != NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1693 |
// 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
|
1694 |
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
|
1695 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1696 |
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
|
1697 |
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
|
1698 |
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
|
1699 |
Handle method_type(THREAD, cpce->method_type_if_resolved(pool)); |
30746
dfce1db72058
8051045: HotSpot fails to wrap Exceptions from invokedynamic in a BootstrapMethodError
aeriksso
parents:
30227
diff
changeset
|
1700 |
result.set_handle(method, appendix, method_type, THREAD); |
48826 | 1701 |
Exceptions::wrap_dynamic_exception(CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1702 |
return; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1703 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1704 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1705 |
if (TraceMethodHandles) { |
35543
0961315f4016
8140659: C1: invokedynamic call patching violates JVMS-6.5.invokedynamic
vlivanov
parents:
35135
diff
changeset
|
1706 |
ResourceMark rm(THREAD); |
0961315f4016
8140659: C1: invokedynamic call patching violates JVMS-6.5.invokedynamic
vlivanov
parents:
35135
diff
changeset
|
1707 |
tty->print_cr("resolve_invokedynamic #%d %s %s in %s", |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1708 |
ConstantPool::decode_invokedynamic_index(index), |
35543
0961315f4016
8140659: C1: invokedynamic call patching violates JVMS-6.5.invokedynamic
vlivanov
parents:
35135
diff
changeset
|
1709 |
method_name->as_C_string(), method_signature->as_C_string(), |
0961315f4016
8140659: C1: invokedynamic call patching violates JVMS-6.5.invokedynamic
vlivanov
parents:
35135
diff
changeset
|
1710 |
current_klass->name()->as_C_string()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1711 |
tty->print(" BSM info: "); bootstrap_specifier->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1712 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1713 |
|
48826 | 1714 |
resolve_dynamic_call(result, pool_index, bootstrap_specifier, method_name, |
47684
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1715 |
method_signature, current_klass, THREAD); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1716 |
if (HAS_PENDING_EXCEPTION && PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) { |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1717 |
int encoded_index = ResolutionErrorTable::encode_cpcache_index(index); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1718 |
bool recorded_res_status = cpce->save_and_throw_indy_exc(pool, pool_index, |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1719 |
encoded_index, |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1720 |
pool()->tag_at(pool_index), |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1721 |
CHECK); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1722 |
if (!recorded_res_status) { |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1723 |
// Another thread got here just before we did. So, either use the method |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1724 |
// that it resolved or throw the LinkageError exception that it threw. |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1725 |
if (!cpce->is_f1_null()) { |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1726 |
methodHandle method( THREAD, cpce->f1_as_method()); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1727 |
Handle appendix( THREAD, cpce->appendix_if_resolved(pool)); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1728 |
Handle method_type(THREAD, cpce->method_type_if_resolved(pool)); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1729 |
result.set_handle(method, appendix, method_type, THREAD); |
48826 | 1730 |
Exceptions::wrap_dynamic_exception(CHECK); |
47684
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1731 |
} else { |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1732 |
assert(cpce->indy_resolution_failed(), "Resolution failure flag not set"); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1733 |
ConstantPool::throw_resolution_error(pool, encoded_index, CHECK); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1734 |
} |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1735 |
return; |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1736 |
} |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1737 |
assert(cpce->indy_resolution_failed(), "Resolution failure flag wasn't set"); |
c3c04b6e14f8
8174954: Parameter target type is allowed access after a module read edge or a package export has occurred after failed resolution
hseigel
parents:
47216
diff
changeset
|
1738 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1739 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1740 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1741 |
void LinkResolver::resolve_dynamic_call(CallInfo& result, |
48826 | 1742 |
int pool_index, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1743 |
Handle bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1744 |
Symbol* method_name, Symbol* method_signature, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46262
diff
changeset
|
1745 |
Klass* current_klass, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1746 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1747 |
// JSR 292: this must resolve to an implicitly generated method MH.linkToCallSite(*...) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1748 |
// The appendix argument is likely to be a freshly-created CallSite. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1749 |
Handle resolved_appendix; |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1750 |
Handle resolved_method_type; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1751 |
methodHandle resolved_method = |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1752 |
SystemDictionary::find_dynamic_call_site_invoker(current_klass, |
48826 | 1753 |
pool_index, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1754 |
bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1755 |
method_name, method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1756 |
&resolved_appendix, |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1757 |
&resolved_method_type, |
13732
a9865f5514fc
7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents:
13728
diff
changeset
|
1758 |
THREAD); |
48826 | 1759 |
Exceptions::wrap_dynamic_exception(CHECK); |
30746
dfce1db72058
8051045: HotSpot fails to wrap Exceptions from invokedynamic in a BootstrapMethodError
aeriksso
parents:
30227
diff
changeset
|
1760 |
result.set_handle(resolved_method, resolved_appendix, resolved_method_type, THREAD); |
48826 | 1761 |
Exceptions::wrap_dynamic_exception(CHECK); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1762 |
} |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1763 |
|
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1764 |
// Selected method is abstract. |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1765 |
void LinkResolver::throw_abstract_method_error(const methodHandle& resolved_method, |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1766 |
const methodHandle& selected_method, |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1767 |
Klass *recv_klass, TRAPS) { |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1768 |
Klass *resolved_klass = resolved_method->method_holder(); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1769 |
ResourceMark rm(THREAD); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1770 |
stringStream ss; |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1771 |
|
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1772 |
if (recv_klass != NULL) { |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1773 |
ss.print("Receiver class %s does not define or inherit an " |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1774 |
"implementation of the", |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1775 |
recv_klass->external_name()); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1776 |
} else { |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1777 |
ss.print("Missing implementation of"); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1778 |
} |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1779 |
|
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1780 |
assert(resolved_method.not_null(), "Sanity"); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1781 |
ss.print(" resolved method %s%s%s%s of %s %s.", |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1782 |
resolved_method->is_abstract() ? "abstract " : "", |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1783 |
resolved_method->is_private() ? "private " : "", |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1784 |
resolved_method->name()->as_C_string(), |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1785 |
resolved_method->signature()->as_C_string(), |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1786 |
resolved_klass->external_kind(), |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1787 |
resolved_klass->external_name()); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1788 |
|
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1789 |
if (selected_method.not_null() && !(resolved_method == selected_method)) { |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1790 |
ss.print(" Selected method is %s%s%s.", |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1791 |
selected_method->is_abstract() ? "abstract " : "", |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1792 |
selected_method->is_private() ? "private " : "", |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1793 |
selected_method->name_and_sig_as_C_string()); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1794 |
} |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1795 |
|
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1796 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), ss.as_string()); |
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49359
diff
changeset
|
1797 |
} |