1 /*
   2  * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
   4  * Copyright (c) 2015, Linaro Ltd. All rights reserved.
   5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   6  *
   7  * This code is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 only, as
   9  * published by the Free Software Foundation.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  *
  25  */
  26 
  27 #ifndef CPU_AARCH32_VM_INTERPRETERRT_AARCH32_HPP
  28 #define CPU_AARCH32_VM_INTERPRETERRT_AARCH32_HPP
  29 
  30 // This is included in the middle of class Interpreter.
  31 // Do not include files here.
  32 
  33 // native method calls
  34 
  35 class SignatureHandlerGenerator: public NativeSignatureIterator {
  36  private:
  37   MacroAssembler* _masm;
  38   unsigned int _fp_arg_mask;
  39   int _num_int_args;
  40   unsigned _next_double_dex;
  41   int _stack_offset;
  42 
  43   void pass_int();
  44   void pass_long();
  45   void pass_float();
  46   void pass_double();
  47   void pass_object();
  48 
  49  public:
  50   // Creation
  51   SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer);
  52 
  53   // Code generation
  54   void generate(uint64_t fingerprint);
  55 
  56   // Code generation support
  57   static Register from();
  58   static Register to();
  59   static Register temp();
  60 };
  61 
  62 #endif // CPU_AARCH32_VM_INTERPRETERRT_AARCH32_HPP