1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2016 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_S390_VM_INTERPRETERRT_S390_HPP
  27 #define CPU_S390_VM_INTERPRETERRT_S390_HPP
  28 
  29 #include "memory/allocation.hpp"
  30 
  31 static int binary_search(int key, LookupswitchPair* array, int n);
  32 
  33 static address iload (JavaThread* thread);
  34 static address aload (JavaThread* thread);
  35 static address istore(JavaThread* thread);
  36 static address astore(JavaThread* thread);
  37 static address iinc  (JavaThread* thread);
  38 
  39 // native method calls
  40 
  41 class SignatureHandlerGenerator: public NativeSignatureIterator {
  42  private:
  43   MacroAssembler* _masm;
  44   int _fp_arg_nr;
  45 
  46   void pass_int();
  47   void pass_long();
  48   void pass_double();
  49   void pass_float();
  50   void pass_object();
  51 
  52  public:
  53   // creation
  54   SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
  55     _masm = new MacroAssembler(buffer);
  56     _fp_arg_nr = 0;
  57   }
  58 
  59   // code generation
  60   void generate(uint64_t fingerprint);
  61 };
  62 
  63 static address get_result_handler(JavaThread* thread, Method* method);
  64 
  65 static address get_signature(JavaThread* thread, Method* method);
  66 
  67 #endif // CPU_S390_VM_INTERPRETERRT_S390_HPP