author | hseigel |
Thu, 26 Sep 2013 10:25:02 -0400 | |
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1 | 1 |
/* |
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/defaultMethods.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "gc_interface/collectedHeap.inline.hpp" |
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#include "interpreter/bytecode.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/objArrayOop.hpp" |
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#include "prims/methodHandles.hpp" |
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#include "prims/nativeLookup.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/fieldDescriptor.hpp" |
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#include "runtime/frame.inline.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/reflection.hpp" |
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#include "runtime/signature.hpp" |
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#include "runtime/thread.inline.hpp" |
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#include "runtime/vmThread.hpp" |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Implementation of CallInfo |
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void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) { |
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int vtable_index = Method::nonvirtual_vtable_index; |
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set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK); |
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} |
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void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int itable_index, TRAPS) { |
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// This is only called for interface methods. If the resolved_method |
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// comes from java/lang/Object, it can be the subject of a virtual call, so |
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// we should pick the vtable index from the resolved method. |
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// In that case, the caller must call set_virtual instead of set_interface. |
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assert(resolved_method->method_holder()->is_interface(), ""); |
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assert(itable_index == resolved_method()->itable_index(), ""); |
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set_common(resolved_klass, selected_klass, resolved_method, selected_method, CallInfo::itable_call, itable_index, CHECK); |
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} |
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void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { |
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assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index, "valid index"); |
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assert(vtable_index < 0 || !resolved_method->has_vtable_index() || vtable_index == resolved_method->vtable_index(), ""); |
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CallKind kind = (vtable_index >= 0 && !resolved_method->can_be_statically_bound() ? CallInfo::vtable_call : CallInfo::direct_call); |
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set_common(resolved_klass, selected_klass, resolved_method, selected_method, kind, vtable_index, CHECK); |
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assert(!resolved_method->is_compiled_lambda_form(), "these must be handled via an invokehandle call"); |
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} |
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void CallInfo::set_handle(methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS) { |
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if (resolved_method.is_null()) { |
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THROW_MSG(vmSymbols::java_lang_InternalError(), "resolved method is null"); |
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} |
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KlassHandle resolved_klass = SystemDictionary::MethodHandle_klass(); |
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assert(resolved_method->intrinsic_id() == vmIntrinsics::_invokeBasic || |
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resolved_method->is_compiled_lambda_form(), |
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"linkMethod must return one of these"); |
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int vtable_index = Method::nonvirtual_vtable_index; |
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assert(!resolved_method->has_vtable_index(), ""); |
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set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK); |
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_resolved_appendix = resolved_appendix; |
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_resolved_method_type = resolved_method_type; |
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} |
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void CallInfo::set_common(KlassHandle resolved_klass, |
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KlassHandle selected_klass, |
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methodHandle resolved_method, |
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methodHandle selected_method, |
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CallKind kind, |
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int index, |
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TRAPS) { |
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assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond"); |
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_resolved_klass = resolved_klass; |
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_selected_klass = selected_klass; |
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_resolved_method = resolved_method; |
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_selected_method = selected_method; |
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_call_kind = kind; |
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_call_index = index; |
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_resolved_appendix = Handle(); |
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DEBUG_ONLY(verify()); // verify before making side effects |
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if (CompilationPolicy::must_be_compiled(selected_method)) { |
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// This path is unusual, mostly used by the '-Xcomp' stress test mode. |
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// Note: with several active threads, the must_be_compiled may be true |
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// while can_be_compiled is false; remove assert |
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// assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile"); |
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if (THREAD->is_Compiler_thread()) { |
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// don't force compilation, resolve was on behalf of compiler |
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return; |
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} |
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if (selected_method->method_holder()->is_not_initialized()) { |
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// 'is_not_initialized' means not only '!is_initialized', but also that |
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// initialization has not been started yet ('!being_initialized') |
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// Do not force compilation of methods in uninitialized classes. |
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// Note that doing this would throw an assert later, |
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// in CompileBroker::compile_method. |
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// We sometimes use the link resolver to do reflective lookups |
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// even before classes are initialized. |
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return; |
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} |
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CompileBroker::compile_method(selected_method, InvocationEntryBci, |
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CompilationPolicy::policy()->initial_compile_level(), |
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methodHandle(), 0, "must_be_compiled", CHECK); |
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} |
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} |
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// utility query for unreflecting a method |
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CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass) { |
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Klass* resolved_method_holder = resolved_method->method_holder(); |
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if (resolved_klass == NULL) { // 2nd argument defaults to holder of 1st |
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resolved_klass = resolved_method_holder; |
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} |
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_resolved_klass = resolved_klass; |
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_selected_klass = resolved_klass; |
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_resolved_method = resolved_method; |
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_selected_method = resolved_method; |
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// classify: |
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CallKind kind = CallInfo::unknown_kind; |
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int index = resolved_method->vtable_index(); |
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if (resolved_method->can_be_statically_bound()) { |
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kind = CallInfo::direct_call; |
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} else if (!resolved_method_holder->is_interface()) { |
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// Could be an Object method inherited into an interface, but still a vtable call. |
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kind = CallInfo::vtable_call; |
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} else if (!resolved_klass->is_interface()) { |
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// A miranda method. Compute the vtable index. |
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ResourceMark rm; |
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klassVtable* vt = InstanceKlass::cast(resolved_klass)->vtable(); |
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index = vt->index_of_miranda(resolved_method->name(), |
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resolved_method->signature()); |
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kind = CallInfo::vtable_call; |
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} else { |
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// A regular interface call. |
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kind = CallInfo::itable_call; |
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index = resolved_method->itable_index(); |
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} |
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assert(index == Method::nonvirtual_vtable_index || index >= 0, err_msg("bad index %d", index)); |
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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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170 |
DEBUG_ONLY(verify()); |
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171 |
} |
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172 |
|
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173 |
#ifdef ASSERT |
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174 |
void CallInfo::verify() { |
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175 |
switch (call_kind()) { // the meaning and allowed value of index depends on kind |
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176 |
case CallInfo::direct_call: |
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177 |
if (_call_index == Method::nonvirtual_vtable_index) break; |
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// else fall through to check vtable index: |
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179 |
case CallInfo::vtable_call: |
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180 |
assert(resolved_klass()->verify_vtable_index(_call_index), ""); |
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181 |
break; |
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182 |
case CallInfo::itable_call: |
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183 |
assert(resolved_method()->method_holder()->verify_itable_index(_call_index), ""); |
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184 |
break; |
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185 |
case CallInfo::unknown_kind: |
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186 |
assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set"); |
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187 |
break; |
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|
188 |
default: |
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189 |
fatal(err_msg_res("Unexpected call kind %d", call_kind())); |
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190 |
} |
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191 |
} |
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192 |
#endif //ASSERT |
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193 |
|
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194 |
|
1 | 195 |
|
196 |
//------------------------------------------------------------------------------------------------------------------------ |
|
197 |
// Klass resolution |
|
198 |
||
199 |
void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) { |
|
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200 |
if (!Reflection::verify_class_access(ref_klass(), |
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sel_klass(), |
1 | 202 |
true)) { |
203 |
ResourceMark rm(THREAD); |
|
204 |
Exceptions::fthrow( |
|
205 |
THREAD_AND_LOCATION, |
|
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206 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 207 |
"tried to access class %s from class %s", |
208 |
sel_klass->external_name(), |
|
209 |
ref_klass->external_name() |
|
210 |
); |
|
211 |
return; |
|
212 |
} |
|
213 |
} |
|
214 |
||
215 |
void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { |
|
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Klass* result_oop = pool->klass_ref_at(index, CHECK); |
1 | 217 |
result = KlassHandle(THREAD, result_oop); |
218 |
} |
|
219 |
||
220 |
//------------------------------------------------------------------------------------------------------------------------ |
|
221 |
// Method resolution |
|
222 |
// |
|
223 |
// According to JVM spec. $5.4.3c & $5.4.3d |
|
224 |
||
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225 |
void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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226 |
Method* result_oop = klass->uncached_lookup_method(name, signature); |
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if (EnableInvokeDynamic && result_oop != NULL) { |
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vmIntrinsics::ID iid = result_oop->intrinsic_id(); |
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229 |
if (MethodHandles::is_signature_polymorphic(iid)) { |
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230 |
// Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method. |
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231 |
return; |
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232 |
} |
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233 |
} |
1 | 234 |
result = methodHandle(THREAD, result_oop); |
235 |
} |
|
236 |
||
237 |
// returns first instance method |
|
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238 |
void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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239 |
Method* result_oop = klass->uncached_lookup_method(name, signature); |
1 | 240 |
result = methodHandle(THREAD, result_oop); |
241 |
while (!result.is_null() && result->is_static()) { |
|
14488 | 242 |
klass = KlassHandle(THREAD, result->method_holder()->super()); |
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243 |
result = methodHandle(THREAD, klass->uncached_lookup_method(name, signature)); |
1 | 244 |
} |
245 |
} |
|
246 |
||
247 |
||
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248 |
int LinkResolver::vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
1 | 249 |
ResourceMark rm(THREAD); |
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250 |
klassVtable *vt = InstanceKlass::cast(klass())->vtable(); |
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251 |
return vt->index_of_miranda(name, signature); |
1 | 252 |
} |
253 |
||
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254 |
void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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255 |
InstanceKlass *ik = InstanceKlass::cast(klass()); |
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256 |
result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature)); |
1 | 257 |
} |
258 |
||
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259 |
void LinkResolver::lookup_polymorphic_method(methodHandle& result, |
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260 |
KlassHandle klass, Symbol* name, Symbol* full_signature, |
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|
261 |
KlassHandle current_klass, |
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262 |
Handle *appendix_result_or_null, |
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|
263 |
Handle *method_type_result, |
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|
264 |
TRAPS) { |
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|
265 |
vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name); |
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|
266 |
if (TraceMethodHandles) { |
16691 | 267 |
ResourceMark rm(THREAD); |
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|
268 |
tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s", |
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|
269 |
vmIntrinsics::name_at(iid), klass->external_name(), |
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|
270 |
name->as_C_string(), full_signature->as_C_string()); |
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|
271 |
} |
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|
272 |
if (EnableInvokeDynamic && |
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|
273 |
klass() == SystemDictionary::MethodHandle_klass() && |
13391
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|
274 |
iid != vmIntrinsics::_none) { |
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|
275 |
if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) { |
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|
276 |
// Most of these do not need an up-call to Java to resolve, so can be done anywhere. |
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|
277 |
// Do not erase last argument type (MemberName) if it is a static linkTo method. |
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|
278 |
bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid); |
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|
279 |
TempNewSymbol basic_signature = |
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|
280 |
MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK); |
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|
281 |
if (TraceMethodHandles) { |
16691 | 282 |
ResourceMark rm(THREAD); |
13391
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|
283 |
tty->print_cr("lookup_polymorphic_method %s %s => basic %s", |
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|
284 |
name->as_C_string(), |
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|
285 |
full_signature->as_C_string(), |
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|
286 |
basic_signature->as_C_string()); |
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|
287 |
} |
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|
288 |
result = SystemDictionary::find_method_handle_intrinsic(iid, |
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|
289 |
basic_signature, |
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|
290 |
CHECK); |
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|
291 |
if (result.not_null()) { |
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|
292 |
assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic"); |
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|
293 |
assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this"); |
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|
294 |
assert(basic_signature == result->signature(), "predict the result signature"); |
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|
295 |
if (TraceMethodHandles) { |
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|
296 |
tty->print("lookup_polymorphic_method => intrinsic "); |
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|
297 |
result->print_on(tty); |
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|
298 |
} |
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|
299 |
return; |
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|
300 |
} |
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|
301 |
} else if (iid == vmIntrinsics::_invokeGeneric |
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|
302 |
&& !THREAD->is_Compiler_thread() |
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|
303 |
&& appendix_result_or_null != NULL) { |
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|
304 |
// This is a method with type-checking semantics. |
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|
305 |
// We will ask Java code to spin an adapter method for it. |
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|
306 |
if (!MethodHandles::enabled()) { |
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|
307 |
// Make sure the Java part of the runtime has been booted up. |
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308 |
Klass* natives = SystemDictionary::MethodHandleNatives_klass(); |
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|
309 |
if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) { |
13391
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|
310 |
SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(), |
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|
311 |
Handle(), |
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|
312 |
Handle(), |
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|
313 |
true, |
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|
314 |
CHECK); |
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|
315 |
} |
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|
316 |
} |
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|
317 |
|
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|
318 |
Handle appendix; |
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319 |
Handle method_type; |
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|
320 |
result = SystemDictionary::find_method_handle_invoker(name, |
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full_signature, |
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|
322 |
current_klass, |
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|
323 |
&appendix, |
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324 |
&method_type, |
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|
325 |
CHECK); |
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|
326 |
if (TraceMethodHandles) { |
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|
327 |
tty->print("lookup_polymorphic_method => (via Java) "); |
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|
328 |
result->print_on(tty); |
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|
329 |
tty->print(" lookup_polymorphic_method => appendix = "); |
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|
330 |
if (appendix.is_null()) tty->print_cr("(none)"); |
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|
331 |
else appendix->print_on(tty); |
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|
332 |
} |
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|
333 |
if (result.not_null()) { |
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|
334 |
#ifdef ASSERT |
16691 | 335 |
ResourceMark rm(THREAD); |
336 |
||
13391
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|
337 |
TempNewSymbol basic_signature = |
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|
338 |
MethodHandles::lookup_basic_type_signature(full_signature, CHECK); |
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|
339 |
int actual_size_of_params = result->size_of_parameters(); |
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|
340 |
int expected_size_of_params = ArgumentSizeComputer(basic_signature).size(); |
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|
341 |
// +1 for MethodHandle.this, +1 for trailing MethodType |
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|
342 |
if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1; |
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|
343 |
if (appendix.not_null()) expected_size_of_params += 1; |
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|
344 |
if (actual_size_of_params != expected_size_of_params) { |
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|
345 |
tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string()); |
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|
346 |
tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid)); |
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|
347 |
result->print(); |
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|
348 |
} |
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|
349 |
assert(actual_size_of_params == expected_size_of_params, |
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|
350 |
err_msg("%d != %d", actual_size_of_params, expected_size_of_params)); |
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|
351 |
#endif //ASSERT |
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|
352 |
|
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|
353 |
assert(appendix_result_or_null != NULL, ""); |
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|
354 |
(*appendix_result_or_null) = appendix; |
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|
355 |
(*method_type_result) = method_type; |
13391
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|
356 |
return; |
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|
357 |
} |
2534 | 358 |
} |
359 |
} |
|
360 |
} |
|
361 |
||
1 | 362 |
void LinkResolver::check_method_accessability(KlassHandle ref_klass, |
363 |
KlassHandle resolved_klass, |
|
364 |
KlassHandle sel_klass, |
|
365 |
methodHandle sel_method, |
|
366 |
TRAPS) { |
|
367 |
||
368 |
AccessFlags flags = sel_method->access_flags(); |
|
369 |
||
370 |
// Special case: arrays always override "clone". JVMS 2.15. |
|
371 |
// If the resolved klass is an array class, and the declaring class |
|
372 |
// is java.lang.Object and the method is "clone", set the flags |
|
373 |
// to public. |
|
374 |
// |
|
375 |
// We'll check for the method name first, as that's most likely |
|
376 |
// to be false (so we'll short-circuit out of these tests). |
|
377 |
if (sel_method->name() == vmSymbols::clone_name() && |
|
4571 | 378 |
sel_klass() == SystemDictionary::Object_klass() && |
1 | 379 |
resolved_klass->oop_is_array()) { |
380 |
// We need to change "protected" to "public". |
|
381 |
assert(flags.is_protected(), "clone not protected?"); |
|
382 |
jint new_flags = flags.as_int(); |
|
383 |
new_flags = new_flags & (~JVM_ACC_PROTECTED); |
|
384 |
new_flags = new_flags | JVM_ACC_PUBLIC; |
|
385 |
flags.set_flags(new_flags); |
|
386 |
} |
|
13391
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|
387 |
// assert(extra_arg_result_or_null != NULL, "must be able to return extra argument"); |
1 | 388 |
|
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|
389 |
if (!Reflection::verify_field_access(ref_klass(), |
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|
390 |
resolved_klass(), |
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changeset
|
391 |
sel_klass(), |
1 | 392 |
flags, |
393 |
true)) { |
|
394 |
ResourceMark rm(THREAD); |
|
395 |
Exceptions::fthrow( |
|
396 |
THREAD_AND_LOCATION, |
|
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|
397 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 398 |
"tried to access method %s.%s%s from class %s", |
399 |
sel_klass->external_name(), |
|
400 |
sel_method->name()->as_C_string(), |
|
401 |
sel_method->signature()->as_C_string(), |
|
402 |
ref_klass->external_name() |
|
403 |
); |
|
404 |
return; |
|
405 |
} |
|
406 |
} |
|
407 |
||
13391
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|
408 |
void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass, |
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|
409 |
Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) { |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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parents:
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diff
changeset
|
410 |
// This method is used only |
81eba62e9048
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parents:
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diff
changeset
|
411 |
// (1) in C2 from InlineTree::ok_to_inline (via ciMethod::check_call), |
81eba62e9048
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diff
changeset
|
412 |
// and |
81eba62e9048
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diff
changeset
|
413 |
// (2) in Bytecode_invoke::static_target |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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changeset
|
414 |
// 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:
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diff
changeset
|
415 |
// FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points. |
1 | 416 |
// resolve klass |
13391
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|
417 |
if (code == Bytecodes::_invokedynamic) { |
13728
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|
418 |
resolved_klass = SystemDictionary::MethodHandle_klass(); |
13391
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|
419 |
Symbol* method_name = vmSymbols::invoke_name(); |
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|
420 |
Symbol* method_signature = pool->signature_ref_at(index); |
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|
421 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
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|
422 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
30245956af37
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|
423 |
return; |
30245956af37
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changeset
|
424 |
} |
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changeset
|
425 |
|
1 | 426 |
resolve_klass(resolved_klass, pool, index, CHECK); |
427 |
||
8076
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changeset
|
428 |
Symbol* method_name = pool->name_ref_at(index); |
96d498ec7ae1
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changeset
|
429 |
Symbol* method_signature = pool->signature_ref_at(index); |
1 | 430 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
431 |
||
10008
d84de97ad847
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diff
changeset
|
432 |
if (pool->has_preresolution() |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
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diff
changeset
|
433 |
|| (resolved_klass() == SystemDictionary::MethodHandle_klass() && |
13391
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twisti
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diff
changeset
|
434 |
MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) { |
13728
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diff
changeset
|
435 |
Method* result_oop = ConstantPool::method_at_if_loaded(pool, index); |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
436 |
if (result_oop != NULL) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
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parents:
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diff
changeset
|
437 |
resolved_method = methodHandle(THREAD, result_oop); |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
438 |
return; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
439 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
440 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
441 |
|
13391
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changeset
|
442 |
if (code == Bytecodes::_invokeinterface) { |
30245956af37
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twisti
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diff
changeset
|
443 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
30245956af37
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twisti
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changeset
|
444 |
} else { |
30245956af37
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twisti
parents:
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changeset
|
445 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
30245956af37
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changeset
|
446 |
} |
1 | 447 |
} |
448 |
||
449 |
void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
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diff
changeset
|
450 |
Symbol* method_name, Symbol* method_signature, |
1 | 451 |
KlassHandle current_klass, bool check_access, TRAPS) { |
452 |
||
13391
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changeset
|
453 |
Handle nested_exception; |
30245956af37
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twisti
parents:
10565
diff
changeset
|
454 |
|
14385 | 455 |
// 1. lookup method in resolved klass and its super klasses |
1 | 456 |
lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
457 |
||
458 |
if (resolved_method.is_null()) { // not found in the class hierarchy |
|
14385 | 459 |
// 2. lookup method in all the interfaces implemented by the resolved klass |
1 | 460 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
461 |
||
462 |
if (resolved_method.is_null()) { |
|
13391
30245956af37
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twisti
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diff
changeset
|
463 |
// JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc |
30245956af37
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twisti
parents:
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diff
changeset
|
464 |
lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature, |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
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13732
diff
changeset
|
465 |
current_klass, (Handle*)NULL, (Handle*)NULL, THREAD); |
13391
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twisti
parents:
10565
diff
changeset
|
466 |
if (HAS_PENDING_EXCEPTION) { |
30245956af37
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twisti
parents:
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changeset
|
467 |
nested_exception = Handle(THREAD, PENDING_EXCEPTION); |
30245956af37
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twisti
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diff
changeset
|
468 |
CLEAR_PENDING_EXCEPTION; |
30245956af37
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twisti
parents:
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diff
changeset
|
469 |
} |
2534 | 470 |
} |
471 |
||
472 |
if (resolved_method.is_null()) { |
|
14385 | 473 |
// 3. method lookup failed |
1 | 474 |
ResourceMark rm(THREAD); |
13391
30245956af37
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twisti
parents:
10565
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changeset
|
475 |
THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(), |
14488 | 476 |
Method::name_and_sig_as_C_string(resolved_klass(), |
13391
30245956af37
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twisti
parents:
10565
diff
changeset
|
477 |
method_name, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
478 |
method_signature), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
479 |
nested_exception); |
1 | 480 |
} |
481 |
} |
|
482 |
||
14385 | 483 |
// 4. check if klass is not interface |
484 |
if (resolved_klass->is_interface() && resolved_method->is_abstract()) { |
|
485 |
ResourceMark rm(THREAD); |
|
486 |
char buf[200]; |
|
487 |
jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", |
|
488 |
resolved_klass()->external_name()); |
|
489 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
490 |
} |
|
491 |
||
1 | 492 |
// 5. check if method is concrete |
493 |
if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) { |
|
494 |
ResourceMark rm(THREAD); |
|
495 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 496 |
Method::name_and_sig_as_C_string(resolved_klass(), |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
497 |
method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
498 |
method_signature)); |
1 | 499 |
} |
500 |
||
501 |
// 6. access checks, access checking may be turned off when calling from within the VM. |
|
502 |
if (check_access) { |
|
503 |
assert(current_klass.not_null() , "current_klass should not be null"); |
|
504 |
||
505 |
// check if method can be accessed by the referring class |
|
506 |
check_method_accessability(current_klass, |
|
507 |
resolved_klass, |
|
508 |
KlassHandle(THREAD, resolved_method->method_holder()), |
|
509 |
resolved_method, |
|
510 |
CHECK); |
|
511 |
||
512 |
// check loader constraints |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
513 |
Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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diff
changeset
|
514 |
Handle class_loader (THREAD, resolved_method->method_holder()->class_loader()); |
1 | 515 |
{ |
516 |
ResourceMark rm(THREAD); |
|
16591
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8009731: Confusing error message for loader constraint violation
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parents:
15922
diff
changeset
|
517 |
Symbol* failed_type_symbol = |
1 | 518 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
519 |
class_loader, true, CHECK); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
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parents:
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diff
changeset
|
520 |
if (failed_type_symbol != NULL) { |
1 | 521 |
const char* msg = "loader constraint violation: when resolving method" |
522 |
" \"%s\" the class loader (instance of %s) of the current class, %s," |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
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parents:
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diff
changeset
|
523 |
" and the class loader (instance of %s) for the method's defining class, %s, have" |
1 | 524 |
" different Class objects for the type %s used in the signature"; |
14488 | 525 |
char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature); |
1 | 526 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
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parents:
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diff
changeset
|
527 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 528 |
const char* loader2 = SystemDictionary::loader_name(class_loader()); |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
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parents:
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diff
changeset
|
529 |
char* target = InstanceKlass::cast(resolved_method->method_holder()) |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
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diff
changeset
|
530 |
->name()->as_C_string(); |
73047b0eb568
8009731: Confusing error message for loader constraint violation
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parents:
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diff
changeset
|
531 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
1 | 532 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
16591
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parents:
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diff
changeset
|
533 |
strlen(current) + strlen(loader2) + strlen(target) + |
73047b0eb568
8009731: Confusing error message for loader constraint violation
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parents:
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diff
changeset
|
534 |
strlen(failed_type_name) + 1; |
1 | 535 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
536 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
16591
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parents:
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diff
changeset
|
537 |
target, failed_type_name); |
1 | 538 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
539 |
} |
|
540 |
} |
|
541 |
} |
|
542 |
} |
|
543 |
||
544 |
void LinkResolver::resolve_interface_method(methodHandle& resolved_method, |
|
545 |
KlassHandle resolved_klass, |
|
8076
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diff
changeset
|
546 |
Symbol* method_name, |
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parents:
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diff
changeset
|
547 |
Symbol* method_signature, |
1 | 548 |
KlassHandle current_klass, |
549 |
bool check_access, TRAPS) { |
|
550 |
||
551 |
// check if klass is interface |
|
552 |
if (!resolved_klass->is_interface()) { |
|
9425
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parents:
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diff
changeset
|
553 |
ResourceMark rm(THREAD); |
1 | 554 |
char buf[200]; |
14488 | 555 |
jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name()); |
1 | 556 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
557 |
} |
|
558 |
||
559 |
// lookup method in this interface or its super, java.lang.Object |
|
560 |
lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
561 |
||
562 |
if (resolved_method.is_null()) { |
|
563 |
// lookup method in all the super-interfaces |
|
564 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
565 |
if (resolved_method.is_null()) { |
|
566 |
// no method found |
|
567 |
ResourceMark rm(THREAD); |
|
568 |
THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), |
|
14488 | 569 |
Method::name_and_sig_as_C_string(resolved_klass(), |
8076
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parents:
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diff
changeset
|
570 |
method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
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parents:
7397
diff
changeset
|
571 |
method_signature)); |
1 | 572 |
} |
573 |
} |
|
574 |
||
575 |
if (check_access) { |
|
576 |
HandleMark hm(THREAD); |
|
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diff
changeset
|
577 |
Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
14391
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8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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parents:
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diff
changeset
|
578 |
Handle class_loader (THREAD, resolved_method->method_holder()->class_loader()); |
1 | 579 |
{ |
580 |
ResourceMark rm(THREAD); |
|
16591
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8009731: Confusing error message for loader constraint violation
acorn
parents:
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diff
changeset
|
581 |
Symbol* failed_type_symbol = |
1 | 582 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
583 |
class_loader, true, CHECK); |
|
16591
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8009731: Confusing error message for loader constraint violation
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parents:
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diff
changeset
|
584 |
if (failed_type_symbol != NULL) { |
1 | 585 |
const char* msg = "loader constraint violation: when resolving " |
586 |
"interface method \"%s\" the class loader (instance of %s) of the " |
|
587 |
"current class, %s, and the class loader (instance of %s) for " |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
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diff
changeset
|
588 |
"the method's defining class, %s, have different Class objects for the type %s " |
1 | 589 |
"used in the signature"; |
14488 | 590 |
char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature); |
1 | 591 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
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parents:
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changeset
|
592 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 593 |
const char* loader2 = SystemDictionary::loader_name(class_loader()); |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
594 |
char* target = InstanceKlass::cast(resolved_method->method_holder()) |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
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diff
changeset
|
595 |
->name()->as_C_string(); |
73047b0eb568
8009731: Confusing error message for loader constraint violation
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parents:
15922
diff
changeset
|
596 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
1 | 597 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
16591
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8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
598 |
strlen(current) + strlen(loader2) + strlen(target) + |
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
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diff
changeset
|
599 |
strlen(failed_type_name) + 1; |
1 | 600 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
601 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
602 |
target, failed_type_name); |
1 | 603 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
604 |
} |
|
605 |
} |
|
606 |
} |
|
607 |
} |
|
608 |
||
609 |
//------------------------------------------------------------------------------------------------------------------------ |
|
610 |
// Field resolution |
|
611 |
||
612 |
void LinkResolver::check_field_accessability(KlassHandle ref_klass, |
|
613 |
KlassHandle resolved_klass, |
|
614 |
KlassHandle sel_klass, |
|
615 |
fieldDescriptor& fd, |
|
616 |
TRAPS) { |
|
13728
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coleenp
parents:
13396
diff
changeset
|
617 |
if (!Reflection::verify_field_access(ref_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
618 |
resolved_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
619 |
sel_klass(), |
1 | 620 |
fd.access_flags(), |
621 |
true)) { |
|
622 |
ResourceMark rm(THREAD); |
|
623 |
Exceptions::fthrow( |
|
624 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
625 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 626 |
"tried to access field %s.%s from class %s", |
627 |
sel_klass->external_name(), |
|
628 |
fd.name()->as_C_string(), |
|
629 |
ref_klass->external_name() |
|
630 |
); |
|
631 |
return; |
|
632 |
} |
|
633 |
} |
|
634 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
635 |
void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
636 |
// Load these early in case the resolve of the containing klass fails |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
637 |
Symbol* field = pool->name_ref_at(index); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
638 |
Symbol* sig = pool->signature_ref_at(index); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
639 |
|
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
640 |
// resolve specified klass |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
641 |
KlassHandle resolved_klass; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
642 |
resolve_klass(resolved_klass, pool, index, CHECK); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
643 |
|
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
644 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
645 |
resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK); |
1 | 646 |
} |
647 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
648 |
void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig, |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
649 |
KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class, |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
650 |
TRAPS) { |
1 | 651 |
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
|
652 |
byte == Bytecodes::_getfield || byte == Bytecodes::_putfield || |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
653 |
(byte == Bytecodes::_nop && !check_access), "bad field access bytecode"); |
1 | 654 |
|
655 |
bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); |
|
656 |
bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic); |
|
657 |
||
658 |
// Check if there's a resolved klass containing the field |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
659 |
if (resolved_klass.is_null()) { |
1 | 660 |
ResourceMark rm(THREAD); |
661 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
662 |
} |
|
663 |
||
664 |
// Resolve instance field |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
665 |
KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); |
1 | 666 |
// check if field exists; i.e., if a klass containing the field def has been selected |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
667 |
if (sel_klass.is_null()) { |
1 | 668 |
ResourceMark rm(THREAD); |
669 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
670 |
} |
|
671 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
672 |
if (!check_access) |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
673 |
// 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
|
674 |
return; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
675 |
|
1 | 676 |
// check access |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
677 |
check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK); |
1 | 678 |
|
679 |
// check for errors |
|
680 |
if (is_static != fd.is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
681 |
ResourceMark rm(THREAD); |
1 | 682 |
char msg[200]; |
14488 | 683 |
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 | 684 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); |
685 |
} |
|
686 |
||
687 |
// Final fields can only be accessed from its own class. |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
688 |
if (is_put && fd.access_flags().is_final() && sel_klass() != current_klass()) { |
1 | 689 |
THROW(vmSymbols::java_lang_IllegalAccessError()); |
690 |
} |
|
691 |
||
692 |
// initialize resolved_klass if necessary |
|
693 |
// note 1: the klass which declared the field must be initialized (i.e, sel_klass) |
|
694 |
// according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) |
|
695 |
// |
|
696 |
// note 2: we don't want to force initialization if we are just checking |
|
697 |
// 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
|
698 |
if (is_static && initialize_class) { |
1 | 699 |
sel_klass->initialize(CHECK); |
700 |
} |
|
701 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
702 |
if (sel_klass() != current_klass()) { |
1 | 703 |
HandleMark hm(THREAD); |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
704 |
Handle ref_loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
705 |
Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader()); |
1 | 706 |
{ |
707 |
ResourceMark rm(THREAD); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
708 |
Symbol* failed_type_symbol = |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
709 |
SystemDictionary::check_signature_loaders(sig, |
1 | 710 |
ref_loader, sel_loader, |
711 |
false, |
|
712 |
CHECK); |
|
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
713 |
if (failed_type_symbol != NULL) { |
1 | 714 |
const char* msg = "loader constraint violation: when resolving field" |
715 |
" \"%s\" the class loader (instance of %s) of the referring class, " |
|
716 |
"%s, and the class loader (instance of %s) for the field's resolved " |
|
717 |
"type, %s, have different Class objects for that type"; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
718 |
char* field_name = field->as_C_string(); |
1 | 719 |
const char* loader1 = SystemDictionary::loader_name(ref_loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
720 |
char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string(); |
1 | 721 |
const char* loader2 = SystemDictionary::loader_name(sel_loader()); |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
722 |
char* failed_type_name = failed_type_symbol->as_C_string(); |
1 | 723 |
size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) + |
16591
73047b0eb568
8009731: Confusing error message for loader constraint violation
acorn
parents:
15922
diff
changeset
|
724 |
strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1; |
1 | 725 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
726 |
jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2, |
|
727 |
failed_type_name); |
|
728 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
729 |
} |
|
730 |
} |
|
731 |
} |
|
732 |
||
733 |
// return information. note that the klass is set to the actual klass containing the |
|
734 |
// field, otherwise access of static fields in superclasses will not work. |
|
735 |
} |
|
736 |
||
737 |
||
738 |
//------------------------------------------------------------------------------------------------------------------------ |
|
739 |
// Invoke resolution |
|
740 |
// |
|
741 |
// Naming conventions: |
|
742 |
// |
|
743 |
// resolved_method the specified method (i.e., static receiver specified via constant pool index) |
|
744 |
// sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) |
|
745 |
// resolved_klass the specified klass (i.e., specified via constant pool index) |
|
746 |
// recv_klass the receiver klass |
|
747 |
||
748 |
||
8076
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7397
diff
changeset
|
749 |
void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
750 |
Symbol* method_signature, KlassHandle current_klass, |
1 | 751 |
bool check_access, bool initialize_class, TRAPS) { |
752 |
methodHandle resolved_method; |
|
753 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
14488 | 754 |
resolved_klass = KlassHandle(THREAD, resolved_method->method_holder()); |
1 | 755 |
|
756 |
// Initialize klass (this should only happen if everything is ok) |
|
757 |
if (initialize_class && resolved_klass->should_be_initialized()) { |
|
758 |
resolved_klass->initialize(CHECK); |
|
759 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
760 |
} |
|
761 |
||
762 |
// setup result |
|
763 |
result.set_static(resolved_klass, resolved_method, CHECK); |
|
764 |
} |
|
765 |
||
766 |
// throws linktime exceptions |
|
767 |
void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
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diff
changeset
|
768 |
Symbol* method_name, Symbol* method_signature, |
1 | 769 |
KlassHandle current_klass, bool check_access, TRAPS) { |
770 |
||
771 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
772 |
assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); |
|
773 |
||
774 |
// check if static |
|
775 |
if (!resolved_method->is_static()) { |
|
9425
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parents:
9116
diff
changeset
|
776 |
ResourceMark rm(THREAD); |
1 | 777 |
char buf[200]; |
14488 | 778 |
jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 779 |
resolved_method->name(), |
780 |
resolved_method->signature())); |
|
781 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
782 |
} |
|
783 |
} |
|
784 |
||
785 |
||
8076
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7397
diff
changeset
|
786 |
void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
787 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 788 |
methodHandle resolved_method; |
789 |
linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
790 |
runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK); |
|
791 |
} |
|
792 |
||
793 |
// throws linktime exceptions |
|
794 |
void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
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7397
diff
changeset
|
795 |
Symbol* method_name, Symbol* method_signature, |
1 | 796 |
KlassHandle current_klass, bool check_access, TRAPS) { |
797 |
||
14385 | 798 |
if (resolved_klass->is_interface() && current_klass() != NULL) { |
799 |
// If the target class is a direct interface, treat this as a "super" |
|
800 |
// default call. |
|
801 |
// |
|
802 |
// If the current method is an overpass that happens to call a direct |
|
803 |
// super-interface's method, then we'll end up rerunning the default method |
|
804 |
// analysis even though we don't need to, but that's ok since it will end |
|
805 |
// up with the same answer. |
|
806 |
InstanceKlass* ik = InstanceKlass::cast(current_klass()); |
|
807 |
Array<Klass*>* interfaces = ik->local_interfaces(); |
|
808 |
int num_interfaces = interfaces->length(); |
|
809 |
for (int index = 0; index < num_interfaces; index++) { |
|
810 |
if (interfaces->at(index) == resolved_klass()) { |
|
811 |
Method* method = DefaultMethods::find_super_default(current_klass(), |
|
812 |
resolved_klass(), method_name, method_signature, CHECK); |
|
813 |
resolved_method = methodHandle(THREAD, method); |
|
814 |
return; |
|
815 |
} |
|
816 |
} |
|
817 |
} |
|
818 |
||
1 | 819 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
820 |
||
821 |
// check if method name is <init>, that it is found in same klass as static type |
|
822 |
if (resolved_method->name() == vmSymbols::object_initializer_name() && |
|
823 |
resolved_method->method_holder() != resolved_klass()) { |
|
824 |
ResourceMark rm(THREAD); |
|
825 |
Exceptions::fthrow( |
|
826 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
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coleenp
parents:
7397
diff
changeset
|
827 |
vmSymbols::java_lang_NoSuchMethodError(), |
1 | 828 |
"%s: method %s%s not found", |
829 |
resolved_klass->external_name(), |
|
830 |
resolved_method->name()->as_C_string(), |
|
831 |
resolved_method->signature()->as_C_string() |
|
832 |
); |
|
833 |
return; |
|
834 |
} |
|
835 |
||
836 |
// check if not static |
|
837 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
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parents:
9116
diff
changeset
|
838 |
ResourceMark rm(THREAD); |
1 | 839 |
char buf[200]; |
840 |
jio_snprintf(buf, sizeof(buf), |
|
841 |
"Expecting non-static method %s", |
|
14488 | 842 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 843 |
resolved_method->name(), |
844 |
resolved_method->signature())); |
|
845 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
846 |
} |
|
847 |
} |
|
848 |
||
849 |
// throws runtime exceptions |
|
850 |
void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
851 |
KlassHandle current_klass, bool check_access, TRAPS) { |
|
852 |
||
853 |
// resolved method is selected method unless we have an old-style lookup |
|
854 |
methodHandle sel_method(THREAD, resolved_method()); |
|
855 |
||
856 |
// check if this is an old-style super call and do a new lookup if so |
|
857 |
{ KlassHandle method_klass = KlassHandle(THREAD, |
|
858 |
resolved_method->method_holder()); |
|
859 |
||
14385 | 860 |
const bool direct_calling_default_method = |
861 |
resolved_klass() != NULL && resolved_method() != NULL && |
|
862 |
resolved_klass->is_interface() && !resolved_method->is_abstract(); |
|
863 |
||
864 |
if (!direct_calling_default_method && |
|
865 |
check_access && |
|
1 | 866 |
// a) check if ACC_SUPER flag is set for the current class |
15918 | 867 |
(current_klass->is_super() || !AllowNonVirtualCalls) && |
1 | 868 |
// b) check if the method class is a superclass of the current class (superclass relation is not reflexive!) |
14385 | 869 |
current_klass->is_subtype_of(method_klass()) && |
870 |
current_klass() != method_klass() && |
|
1 | 871 |
// c) check if the method is not <init> |
872 |
resolved_method->name() != vmSymbols::object_initializer_name()) { |
|
873 |
// Lookup super method |
|
874 |
KlassHandle super_klass(THREAD, current_klass->super()); |
|
875 |
lookup_instance_method_in_klasses(sel_method, super_klass, |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7397
diff
changeset
|
876 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
877 |
resolved_method->signature(), CHECK); |
1 | 878 |
// check if found |
879 |
if (sel_method.is_null()) { |
|
880 |
ResourceMark rm(THREAD); |
|
881 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 882 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 883 |
resolved_method->name(), |
884 |
resolved_method->signature())); |
|
885 |
} |
|
886 |
} |
|
887 |
} |
|
888 |
||
889 |
// check if not static |
|
890 |
if (sel_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
891 |
ResourceMark rm(THREAD); |
1 | 892 |
char buf[200]; |
14488 | 893 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 894 |
resolved_method->name(), |
895 |
resolved_method->signature())); |
|
896 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
897 |
} |
|
898 |
||
899 |
// check if abstract |
|
900 |
if (sel_method->is_abstract()) { |
|
901 |
ResourceMark rm(THREAD); |
|
902 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 903 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 904 |
sel_method->name(), |
905 |
sel_method->signature())); |
|
906 |
} |
|
907 |
||
908 |
// setup result |
|
909 |
result.set_static(resolved_klass, sel_method, CHECK); |
|
910 |
} |
|
911 |
||
912 |
void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
913 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 914 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
915 |
methodHandle resolved_method; |
|
916 |
linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
917 |
runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK); |
|
918 |
} |
|
919 |
||
920 |
// throws linktime exceptions |
|
921 |
void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
922 |
Symbol* method_name, Symbol* method_signature, |
1 | 923 |
KlassHandle current_klass, bool check_access, TRAPS) { |
924 |
// normal method resolution |
|
925 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
926 |
||
927 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
928 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
929 |
||
930 |
// check if not static |
|
931 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
932 |
ResourceMark rm(THREAD); |
1 | 933 |
char buf[200]; |
14488 | 934 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 935 |
resolved_method->name(), |
936 |
resolved_method->signature())); |
|
937 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
938 |
} |
|
939 |
} |
|
940 |
||
941 |
// throws runtime exceptions |
|
942 |
void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, |
|
943 |
methodHandle resolved_method, |
|
944 |
KlassHandle resolved_klass, |
|
945 |
Handle recv, |
|
946 |
KlassHandle recv_klass, |
|
947 |
bool check_null_and_abstract, |
|
948 |
TRAPS) { |
|
949 |
||
950 |
// setup default return values |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
951 |
int vtable_index = Method::invalid_vtable_index; |
1 | 952 |
methodHandle selected_method; |
953 |
||
954 |
assert(recv.is_null() || recv->is_oop(), "receiver is not an oop"); |
|
955 |
||
956 |
// runtime method resolution |
|
957 |
if (check_null_and_abstract && recv.is_null()) { // check if receiver exists |
|
958 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
959 |
} |
|
960 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
961 |
// Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s |
1 | 962 |
// has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since |
963 |
// 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
|
964 |
assert(resolved_method->method_holder()->is_linked(), "must be linked"); |
1 | 965 |
|
966 |
// do lookup based on receiver klass using the vtable index |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
967 |
if (resolved_method->method_holder()->is_interface()) { // miranda method |
1 | 968 |
vtable_index = vtable_index_of_miranda_method(resolved_klass, |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
969 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
970 |
resolved_method->signature(), CHECK); |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
971 |
|
1 | 972 |
assert(vtable_index >= 0 , "we should have valid vtable index at this point"); |
973 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
974 |
InstanceKlass* inst = InstanceKlass::cast(recv_klass()); |
1 | 975 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
976 |
} else { |
|
977 |
// at this point we are sure that resolved_method is virtual and not |
|
978 |
// a miranda method; therefore, it must have a valid vtable index. |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
979 |
assert(!resolved_method->has_itable_index(), ""); |
1 | 980 |
vtable_index = resolved_method->vtable_index(); |
981 |
// We could get a negative vtable_index for final methods, |
|
982 |
// because as an optimization they are they are never put in the vtable, |
|
983 |
// unless they override an existing method. |
|
984 |
// If we do get a negative, it means the resolved method is the the selected |
|
985 |
// 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
|
986 |
if (vtable_index == Method::nonvirtual_vtable_index) { |
1 | 987 |
assert(resolved_method->can_be_statically_bound(), "cannot override this method"); |
988 |
selected_method = resolved_method; |
|
989 |
} else { |
|
990 |
// recv_klass might be an arrayKlassOop but all vtables start at |
|
991 |
// the same place. The cast is to avoid virtual call and assertion. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
992 |
InstanceKlass* inst = (InstanceKlass*)recv_klass(); |
1 | 993 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
994 |
} |
|
995 |
} |
|
996 |
||
997 |
// check if method exists |
|
998 |
if (selected_method.is_null()) { |
|
999 |
ResourceMark rm(THREAD); |
|
1000 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1001 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1002 |
resolved_method->name(), |
1003 |
resolved_method->signature())); |
|
1004 |
} |
|
1005 |
||
1006 |
// check if abstract |
|
1007 |
if (check_null_and_abstract && selected_method->is_abstract()) { |
|
1008 |
ResourceMark rm(THREAD); |
|
1009 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1010 |
Method::name_and_sig_as_C_string(resolved_klass(), |
1 | 1011 |
selected_method->name(), |
1012 |
selected_method->signature())); |
|
1013 |
} |
|
1014 |
||
1015 |
// setup result |
|
1016 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); |
|
1017 |
} |
|
1018 |
||
1019 |
void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1020 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 1021 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
1022 |
methodHandle resolved_method; |
|
1023 |
linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
1024 |
runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK); |
|
1025 |
} |
|
1026 |
||
1027 |
// throws linktime exceptions |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1028 |
void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1029 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 1030 |
// normal interface method resolution |
1031 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
1032 |
||
1033 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
1034 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
1035 |
} |
|
1036 |
||
1037 |
// throws runtime exceptions |
|
1038 |
void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
1039 |
Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) { |
|
1040 |
// check if receiver exists |
|
1041 |
if (check_null_and_abstract && recv.is_null()) { |
|
1042 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
1043 |
} |
|
1044 |
||
1045 |
// check if receiver klass implements the resolved interface |
|
1046 |
if (!recv_klass->is_subtype_of(resolved_klass())) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
1047 |
ResourceMark rm(THREAD); |
1 | 1048 |
char buf[200]; |
1049 |
jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", |
|
14488 | 1050 |
recv_klass()->external_name(), |
1051 |
resolved_klass()->external_name()); |
|
1 | 1052 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
1053 |
} |
|
1054 |
// do lookup based on receiver klass |
|
1055 |
methodHandle sel_method; |
|
1056 |
lookup_instance_method_in_klasses(sel_method, recv_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1057 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1058 |
resolved_method->signature(), CHECK); |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1059 |
if (sel_method.is_null() && !check_null_and_abstract) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1060 |
// 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
|
1061 |
// 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
|
1062 |
// This needs further study. |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1063 |
sel_method = resolved_method; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1064 |
} |
1 | 1065 |
// check if method exists |
1066 |
if (sel_method.is_null()) { |
|
1067 |
ResourceMark rm(THREAD); |
|
1068 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1069 |
Method::name_and_sig_as_C_string(recv_klass(), |
1 | 1070 |
resolved_method->name(), |
1071 |
resolved_method->signature())); |
|
1072 |
} |
|
17024
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1073 |
// check access |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1074 |
if (sel_method->method_holder()->is_interface()) { |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1075 |
// Method holder is an interface. Throw Illegal Access Error if sel_method |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1076 |
// is neither public nor private. |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1077 |
if (!(sel_method->is_public() || sel_method->is_private())) { |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1078 |
ResourceMark rm(THREAD); |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1079 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1080 |
Method::name_and_sig_as_C_string(recv_klass(), |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1081 |
sel_method->name(), |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1082 |
sel_method->signature())); |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1083 |
} |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1084 |
} |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1085 |
else { |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1086 |
// Method holder is a class. Throw Illegal Access Error if sel_method |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1087 |
// is not public. |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1088 |
if (!sel_method->is_public()) { |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1089 |
ResourceMark rm(THREAD); |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1090 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1091 |
Method::name_and_sig_as_C_string(recv_klass(), |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1092 |
sel_method->name(), |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1093 |
sel_method->signature())); |
49cbeca23983
8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents:
16691
diff
changeset
|
1094 |
} |
1 | 1095 |
} |
1096 |
// check if abstract |
|
1097 |
if (check_null_and_abstract && sel_method->is_abstract()) { |
|
1098 |
ResourceMark rm(THREAD); |
|
1099 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
14488 | 1100 |
Method::name_and_sig_as_C_string(recv_klass(), |
1 | 1101 |
sel_method->name(), |
1102 |
sel_method->signature())); |
|
1103 |
} |
|
1104 |
// setup result |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1105 |
if (!resolved_method->has_itable_index()) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1106 |
int vtable_index = resolved_method->vtable_index(); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1107 |
assert(vtable_index == sel_method->vtable_index(), "sanity check"); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1108 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, sel_method, vtable_index, CHECK); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1109 |
return; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1110 |
} |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1111 |
int itable_index = resolved_method()->itable_index(); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1112 |
result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, itable_index, CHECK); |
1 | 1113 |
} |
1114 |
||
1115 |
||
1116 |
methodHandle LinkResolver::linktime_resolve_interface_method_or_null( |
|
1117 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1118 |
Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1119 |
Symbol* method_signature, |
1 | 1120 |
KlassHandle current_klass, |
1121 |
bool check_access) { |
|
1122 |
EXCEPTION_MARK; |
|
1123 |
methodHandle method_result; |
|
1124 |
linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1125 |
if (HAS_PENDING_EXCEPTION) { |
|
1126 |
CLEAR_PENDING_EXCEPTION; |
|
1127 |
return methodHandle(); |
|
1128 |
} else { |
|
1129 |
return method_result; |
|
1130 |
} |
|
1131 |
} |
|
1132 |
||
1133 |
methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( |
|
1134 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1135 |
Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1136 |
Symbol* method_signature, |
1 | 1137 |
KlassHandle current_klass, |
1138 |
bool check_access) { |
|
1139 |
EXCEPTION_MARK; |
|
1140 |
methodHandle method_result; |
|
1141 |
linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1142 |
if (HAS_PENDING_EXCEPTION) { |
|
1143 |
CLEAR_PENDING_EXCEPTION; |
|
1144 |
return methodHandle(); |
|
1145 |
} else { |
|
1146 |
return method_result; |
|
1147 |
} |
|
1148 |
} |
|
1149 |
||
1150 |
methodHandle LinkResolver::resolve_virtual_call_or_null( |
|
1151 |
KlassHandle receiver_klass, |
|
1152 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1153 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1154 |
Symbol* signature, |
1 | 1155 |
KlassHandle current_klass) { |
1156 |
EXCEPTION_MARK; |
|
1157 |
CallInfo info; |
|
1158 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1159 |
if (HAS_PENDING_EXCEPTION) { |
|
1160 |
CLEAR_PENDING_EXCEPTION; |
|
1161 |
return methodHandle(); |
|
1162 |
} |
|
1163 |
return info.selected_method(); |
|
1164 |
} |
|
1165 |
||
1166 |
methodHandle LinkResolver::resolve_interface_call_or_null( |
|
1167 |
KlassHandle receiver_klass, |
|
1168 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1169 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1170 |
Symbol* signature, |
1 | 1171 |
KlassHandle current_klass) { |
1172 |
EXCEPTION_MARK; |
|
1173 |
CallInfo info; |
|
1174 |
resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1175 |
if (HAS_PENDING_EXCEPTION) { |
|
1176 |
CLEAR_PENDING_EXCEPTION; |
|
1177 |
return methodHandle(); |
|
1178 |
} |
|
1179 |
return info.selected_method(); |
|
1180 |
} |
|
1181 |
||
1182 |
int LinkResolver::resolve_virtual_vtable_index( |
|
1183 |
KlassHandle receiver_klass, |
|
1184 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1185 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1186 |
Symbol* signature, |
1 | 1187 |
KlassHandle current_klass) { |
1188 |
EXCEPTION_MARK; |
|
1189 |
CallInfo info; |
|
1190 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1191 |
if (HAS_PENDING_EXCEPTION) { |
|
1192 |
CLEAR_PENDING_EXCEPTION; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1193 |
return Method::invalid_vtable_index; |
1 | 1194 |
} |
1195 |
return info.vtable_index(); |
|
1196 |
} |
|
1197 |
||
1198 |
methodHandle LinkResolver::resolve_static_call_or_null( |
|
1199 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1200 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1201 |
Symbol* signature, |
1 | 1202 |
KlassHandle current_klass) { |
1203 |
EXCEPTION_MARK; |
|
1204 |
CallInfo info; |
|
1205 |
resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1206 |
if (HAS_PENDING_EXCEPTION) { |
|
1207 |
CLEAR_PENDING_EXCEPTION; |
|
1208 |
return methodHandle(); |
|
1209 |
} |
|
1210 |
return info.selected_method(); |
|
1211 |
} |
|
1212 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1213 |
methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature, |
1 | 1214 |
KlassHandle current_klass) { |
1215 |
EXCEPTION_MARK; |
|
1216 |
CallInfo info; |
|
1217 |
resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD); |
|
1218 |
if (HAS_PENDING_EXCEPTION) { |
|
1219 |
CLEAR_PENDING_EXCEPTION; |
|
1220 |
return methodHandle(); |
|
1221 |
} |
|
1222 |
return info.selected_method(); |
|
1223 |
} |
|
1224 |
||
1225 |
||
1226 |
||
1227 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1228 |
// ConstantPool entries |
|
1229 |
||
1230 |
void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { |
|
1231 |
switch (byte) { |
|
1232 |
case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; |
|
1233 |
case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break; |
|
1234 |
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
|
1235 |
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
|
1236 |
case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
1 | 1237 |
case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; |
1238 |
} |
|
1239 |
return; |
|
1240 |
} |
|
1241 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1242 |
void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, |
1 | 1243 |
KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) { |
1244 |
// resolve klass |
|
1245 |
resolve_klass(resolved_klass, pool, index, CHECK); |
|
1246 |
||
1247 |
// Get name, signature, and static klass |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1248 |
method_name = pool->name_ref_at(index); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1249 |
method_signature = pool->signature_ref_at(index); |
1 | 1250 |
current_klass = KlassHandle(THREAD, pool->pool_holder()); |
1251 |
} |
|
1252 |
||
1253 |
||
1254 |
void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1255 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1256 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1257 |
Symbol* method_signature = NULL; |
1 | 1258 |
KlassHandle current_klass; |
1259 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1260 |
resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
|
1261 |
} |
|
1262 |
||
1263 |
||
1264 |
void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1265 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1266 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1267 |
Symbol* method_signature = NULL; |
1 | 1268 |
KlassHandle current_klass; |
1269 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1270 |
resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
|
1271 |
} |
|
1272 |
||
1273 |
||
1274 |
void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, |
|
1275 |
constantPoolHandle pool, int index, |
|
1276 |
TRAPS) { |
|
1277 |
||
1278 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1279 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1280 |
Symbol* method_signature = NULL; |
1 | 1281 |
KlassHandle current_klass; |
1282 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1283 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1284 |
resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1285 |
} |
|
1286 |
||
1287 |
||
1288 |
void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) { |
|
1289 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1290 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1291 |
Symbol* method_signature = NULL; |
1 | 1292 |
KlassHandle current_klass; |
1293 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1294 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1295 |
resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1296 |
} |
|
1297 |
||
2570
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6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1298 |
|
13391
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twisti
parents:
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diff
changeset
|
1299 |
void LinkResolver::resolve_invokehandle(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1300 |
assert(EnableInvokeDynamic, ""); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1301 |
// This guy is reached from InterpreterRuntime::resolve_invokehandle. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1302 |
KlassHandle resolved_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1303 |
Symbol* method_name = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1304 |
Symbol* method_signature = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1305 |
KlassHandle current_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1306 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
16691 | 1307 |
if (TraceMethodHandles) { |
1308 |
ResourceMark rm(THREAD); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1309 |
tty->print_cr("resolve_invokehandle %s %s", method_name->as_C_string(), method_signature->as_C_string()); |
16691 | 1310 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1311 |
resolve_handle_call(result, resolved_klass, method_name, method_signature, current_klass, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1312 |
} |
2570
ecc7862946d4
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jrose
parents:
2534
diff
changeset
|
1313 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1314 |
void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1315 |
Symbol* method_name, Symbol* method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1316 |
KlassHandle current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1317 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1318 |
// JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1319 |
assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1320 |
assert(MethodHandles::is_signature_polymorphic_name(method_name), ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1321 |
methodHandle resolved_method; |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1322 |
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
|
1323 |
Handle resolved_method_type; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1324 |
lookup_polymorphic_method(resolved_method, resolved_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1325 |
method_name, method_signature, |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1326 |
current_klass, &resolved_appendix, &resolved_method_type, CHECK); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1327 |
result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1328 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1329 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1330 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1331 |
void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1332 |
assert(EnableInvokeDynamic, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1333 |
|
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
|
1334 |
//resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1335 |
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
|
1336 |
Symbol* method_signature = pool->signature_ref_at(index); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1337 |
KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder()); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1338 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1339 |
// 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
|
1340 |
Handle bootstrap_specifier; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1341 |
// Check if CallSite has been bound already: |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1342 |
ConstantPoolCacheEntry* cpce = pool->invokedynamic_cp_cache_entry_at(index); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1343 |
if (cpce->is_f1_null()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1344 |
int pool_index = cpce->constant_pool_index(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1345 |
oop bsm_info = pool->resolve_bootstrap_specifier_at(pool_index, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1346 |
assert(bsm_info != NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1347 |
// 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
|
1348 |
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
|
1349 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1350 |
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
|
1351 |
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
|
1352 |
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
|
1353 |
Handle method_type(THREAD, cpce->method_type_if_resolved(pool)); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1354 |
result.set_handle(method, appendix, method_type, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1355 |
return; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1356 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1357 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1358 |
if (TraceMethodHandles) { |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1359 |
ResourceMark rm(THREAD); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1360 |
tty->print_cr("resolve_invokedynamic #%d %s %s", |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1361 |
ConstantPool::decode_invokedynamic_index(index), |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1362 |
method_name->as_C_string(), method_signature->as_C_string()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1363 |
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
|
1364 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1365 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1366 |
resolve_dynamic_call(result, bootstrap_specifier, method_name, method_signature, current_klass, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1367 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1368 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1369 |
void LinkResolver::resolve_dynamic_call(CallInfo& result, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1370 |
Handle bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1371 |
Symbol* method_name, Symbol* method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1372 |
KlassHandle current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1373 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1374 |
// 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
|
1375 |
// 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
|
1376 |
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
|
1377 |
Handle resolved_method_type; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1378 |
methodHandle resolved_method = |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1379 |
SystemDictionary::find_dynamic_call_site_invoker(current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1380 |
bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1381 |
method_name, method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1382 |
&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
|
1383 |
&resolved_method_type, |
13732
a9865f5514fc
7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents:
13728
diff
changeset
|
1384 |
THREAD); |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1385 |
if (HAS_PENDING_EXCEPTION) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1386 |
if (TraceMethodHandles) { |
20282
7f9cbdf89af2
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
20017
diff
changeset
|
1387 |
tty->print_cr("invokedynamic throws BSME for "INTPTR_FORMAT, (void *)PENDING_EXCEPTION); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1388 |
PENDING_EXCEPTION->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1389 |
} |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1390 |
if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) { |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1391 |
// throw these guys, since they are already wrapped |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1392 |
return; |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1393 |
} |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1394 |
if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) { |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1395 |
// intercept only LinkageErrors which might have failed to wrap |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1396 |
return; |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1397 |
} |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1398 |
// See the "Linking Exceptions" section for the invokedynamic instruction in the JVMS. |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1399 |
Handle nested_exception(THREAD, PENDING_EXCEPTION); |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1400 |
CLEAR_PENDING_EXCEPTION; |
13732
a9865f5514fc
7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents:
13728
diff
changeset
|
1401 |
THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception) |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1402 |
} |
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
|
1403 |
result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1404 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1405 |
|
1 | 1406 |
//------------------------------------------------------------------------------------------------------------------------ |
1407 |
#ifndef PRODUCT |
|
1408 |
||
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1409 |
void CallInfo::print() { |
1 | 1410 |
ResourceMark rm; |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1411 |
const char* kindstr = "unknown"; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1412 |
switch (_call_kind) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1413 |
case direct_call: kindstr = "direct"; break; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1414 |
case vtable_call: kindstr = "vtable"; break; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1415 |
case itable_call: kindstr = "itable"; break; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1416 |
} |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1417 |
tty->print_cr("Call %s@%d %s", kindstr, _call_index, |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
17024
diff
changeset
|
1418 |
_resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string()); |
1 | 1419 |
} |
1420 |
||
1421 |
#endif |