1 /*
   2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "code/codeCache.hpp"
  28 #include "code/compiledIC.hpp"
  29 #include "code/icBuffer.hpp"
  30 #include "code/nmethod.hpp"
  31 #include "code/vtableStubs.hpp"
  32 #include "interpreter/interpreter.hpp"
  33 #include "interpreter/linkResolver.hpp"
  34 #include "memory/metadataFactory.hpp"
  35 #include "memory/oopFactory.hpp"
  36 #include "oops/method.hpp"
  37 #include "oops/oop.inline.hpp"
  38 #include "oops/symbol.hpp"
  39 #include "runtime/icache.hpp"
  40 #include "runtime/sharedRuntime.hpp"
  41 #include "runtime/stubRoutines.hpp"
  42 #include "utilities/events.hpp"
  43 
  44 
  45 // Release the CompiledICHolder* associated with this call site is there is one.
  46 void CompiledIC::cleanup_call_site(virtual_call_Relocation* call_site) {
  47   // This call site might have become stale so inspect it carefully.
  48   NativeCall* call = nativeCall_at(call_site->addr());
  49   if (is_icholder_entry(call->destination())) {
  50     NativeMovConstReg* value = nativeMovConstReg_at(call_site->cached_value());
  51     InlineCacheBuffer::queue_for_release((CompiledICHolder*)value->data());
  52   }
  53 }
  54 
  55 bool CompiledIC::is_icholder_call_site(virtual_call_Relocation* call_site) {
  56   // This call site might have become stale so inspect it carefully.
  57   NativeCall* call = nativeCall_at(call_site->addr());
  58   return is_icholder_entry(call->destination());
  59 }
  60 
  61 // ----------------------------------------------------------------------------
  62 
  63 void CompiledStaticCall::emit_to_interp_stub(CodeBuffer &cbuf) {
  64   ShouldNotReachHere(); // Only needed for COMPILER2.
  65 }
  66 
  67 int CompiledStaticCall::to_interp_stub_size() {
  68   ShouldNotReachHere(); // Only needed for COMPILER2.
  69   return 0;
  70 }
  71 
  72 // Relocation entries for call stub, compiled java to interpreter.
  73 int CompiledStaticCall::reloc_to_interp_stub() {
  74   ShouldNotReachHere(); // Only needed for COMPILER2.
  75   return 0;
  76 }
  77 
  78 void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) {
  79   ShouldNotReachHere(); // Only needed for COMPILER2.
  80 }
  81 
  82 void CompiledStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
  83   ShouldNotReachHere(); // Only needed for COMPILER2.
  84 }
  85 
  86 //-----------------------------------------------------------------------------
  87 // Non-product mode code.
  88 #ifndef PRODUCT
  89 
  90 void CompiledStaticCall::verify() {
  91   ShouldNotReachHere(); // Only needed for COMPILER2.
  92 }
  93 
  94 #endif // !PRODUCT