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   enum {

    58     _call_stub_size = AARCH64_ONLY(32) NOT_AARCH64(16),

    59     _call_aot_stub_size = 0,

    60     _exception_handler_size = PRODUCT_ONLY(AARCH64_ONLY(256) NOT_AARCH64(68)) NOT_PRODUCT(AARCH64_ONLY(256+216) NOT_AARCH64(68+60)),

    61     _deopt_handler_size = AARCH64_ONLY(32) NOT_AARCH64(16)

    62   };

    63 

    64  public:

    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