1 /*
   2  * Copyright (c) 2008, 2014, 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_C1_LIRASSEMBLER_ARM_HPP
  26 #define CPU_ARM_VM_C1_LIRASSEMBLER_ARM_HPP
  27 
  28  private:
  29 
  30   // Record the type of the receiver in ReceiverTypeData
  31   void type_profile_helper(Register mdo, int mdo_offset_bias,
  32                            ciMethodData *md, ciProfileData *data,
  33                            Register recv, Register tmp1, Label* update_done);
  34   // Setup pointers to MDO, MDO slot, also compute offset bias to access the slot.
  35   void setup_md_access(ciMethod* method, int bci,
  36                        ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias);
  37 
  38   void typecheck_profile_helper1(ciMethod* method, int bci,
  39                                  ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias,
  40                                  Register obj, Register mdo, Register data_val, Label* obj_is_null);
  41 
  42   void typecheck_profile_helper2(ciMethodData* md, ciProfileData* data, int mdo_offset_bias,
  43                                  Register mdo, Register recv, Register value, Register tmp1,
  44                                  Label* profile_cast_success, Label* profile_cast_failure,
  45                                  Label* success, Label* failure);
  46 
  47 #ifdef AARCH64
  48   void long_compare_helper(LIR_Opr opr1, LIR_Opr opr2);
  49 #endif // AARCH64
  50 
  51   // Saves 4 given registers in reserved argument area.
  52   void save_in_reserved_area(Register r1, Register r2, Register r3, Register r4);
  53 
  54   // Restores 4 given registers from reserved argument area.
  55   void restore_from_reserved_area(Register r1, Register r2, Register r3, Register r4);
  56 
  57  public:
  58 
  59   enum {
  60     call_stub_size = AARCH64_ONLY(32) NOT_AARCH64(16),
  61     deopt_handler_size = AARCH64_ONLY(32) NOT_AARCH64(16)
  62   };
  63 
  64   static int exception_handler_size;
  65 
  66   void verify_reserved_argument_area_size(int args_count) PRODUCT_RETURN;
  67 
  68   void store_parameter(jint c,      int offset_from_sp_in_words);
  69   void store_parameter(Metadata* m, int offset_from_sp_in_words);
  70 
  71 #endif // CPU_ARM_VM_C1_LIRASSEMBLER_ARM_HPP