1 /*
   2  * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2014, Red Hat Inc. 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_AARCH64_INTERPRETERRT_AARCH64_HPP
  27 #define CPU_AARCH64_INTERPRETERRT_AARCH64_HPP
  28 
  29 // This is included in the middle of class Interpreter.
  30 // Do not include files here.
  31 
  32 // native method calls
  33 
  34 class SignatureHandlerGenerator: public NativeSignatureIterator {
  35  private:
  36   MacroAssembler* _masm;
  37   unsigned int _num_fp_args;
  38   unsigned int _num_int_args;
  39   int _stack_offset;
  40 
  41   void pass_int();
  42   void pass_long();
  43   void pass_float();
  44   void pass_double();
  45   void pass_object();
  46 
  47  public:
  48   // Creation
  49   SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer);
  50 
  51   // Code generation
  52   void generate(uint64_t fingerprint);
  53 
  54   // Code generation support
  55   static Register from();
  56   static Register to();
  57   static Register temp();
  58 };
  59 
  60 #endif // CPU_AARCH64_INTERPRETERRT_AARCH64_HPP