1 /*
   2  * Copyright (c) 2008, 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 #ifndef CPU_ARM_VM_STUBROUTINES_ARM_HPP
  26 #define CPU_ARM_VM_STUBROUTINES_ARM_HPP
  27 
  28 // This file holds the platform specific parts of the StubRoutines
  29 // definition. See stubRoutines.hpp for a description on how to
  30 // extend it.
  31 
  32 enum platform_dependent_constants {
  33   code_size1 =  9000,           // simply increase if too small (assembler will crash if too small)
  34   code_size2 = 22000            // simply increase if too small (assembler will crash if too small)
  35 };
  36 
  37 class Arm {
  38  friend class StubGenerator;
  39  friend class VMStructs;
  40 
  41  private:
  42 
  43 #ifndef AARCH64
  44   static address _idiv_irem_entry;
  45 #endif
  46   static address _partial_subtype_check;
  47 
  48  public:
  49 
  50 #ifndef AARCH64
  51   static address idiv_irem_entry() { return _idiv_irem_entry; }
  52 #endif
  53   static address partial_subtype_check() { return _partial_subtype_check; }
  54 };
  55 
  56   static bool returns_to_call_stub(address return_pc) {
  57     return return_pc == _call_stub_return_address;
  58   }
  59 
  60 #ifndef AARCH64
  61   static address _atomic_load_long_entry;
  62   static address _atomic_store_long_entry;
  63 
  64   static address atomic_load_long_entry()                  { return _atomic_load_long_entry; }
  65   static address atomic_store_long_entry()                 { return _atomic_store_long_entry; }
  66 #endif
  67 
  68 
  69 #endif // CPU_ARM_VM_STUBROUTINES_ARM_HPP