1 /*
   2  * Copyright (c) 2016, 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 #ifndef SHARE_VM_AOT_COMPILEDIC_AOT_HPP
  25 #define SHARE_VM_AOT_COMPILEDIC_AOT_HPP
  26 
  27 #include "code/compiledIC.hpp"
  28 #include "code/nativeInst.hpp"
  29 #include "interpreter/linkResolver.hpp"
  30 #include "oops/compiledICHolder.hpp"
  31 
  32 class CompiledPltStaticCall: public CompiledStaticCall {
  33   friend class CompiledIC;
  34   friend class PltNativeCallWrapper;
  35 
  36   // Also used by CompiledIC
  37   void set_to_interpreted(const methodHandle& callee, address entry);
  38 
  39   address instruction_address() const { return _call->instruction_address(); }
  40   void set_destination_mt_safe(address dest) { _call->set_destination_mt_safe(dest); }
  41 
  42   NativePltCall* _call;
  43 
  44   CompiledPltStaticCall(NativePltCall* call) : _call(call) {}
  45 
  46  public:
  47 
  48   inline static CompiledPltStaticCall* before(address return_addr) {
  49     CompiledPltStaticCall* st = new CompiledPltStaticCall(nativePltCall_before(return_addr));
  50     st->verify();
  51     return st;
  52   }
  53 
  54   static inline CompiledPltStaticCall* at(address native_call) {
  55     CompiledPltStaticCall* st = new CompiledPltStaticCall(nativePltCall_at(native_call));
  56     st->verify();
  57     return st;
  58   }
  59 
  60   static inline CompiledPltStaticCall* at(Relocation* call_site) {
  61     return at(call_site->addr());
  62   }
  63 
  64   // Delegation
  65   address destination() const { return _call->destination(); }
  66 
  67   virtual bool is_call_to_interpreted() const;
  68 
  69   // Stub support
  70   address find_stub();
  71   static void set_stub_to_clean(static_stub_Relocation* static_stub);
  72 
  73   // Misc.
  74   void print()  PRODUCT_RETURN;
  75   void verify() PRODUCT_RETURN;
  76 
  77  protected:
  78   virtual address resolve_call_stub() const { return _call->plt_resolve_call(); }
  79   virtual void set_to_far(const methodHandle& callee, address entry) { set_to_compiled(entry); }
  80   virtual const char* name() const { return "CompiledPltStaticCall"; }
  81 };
  82 
  83 #endif // SHARE_VM_AOT_COMPILEDIC_AOT_HPP