1 /*

     2  * Copyright (c) 2019, 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 #ifndef CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP

    25 #define CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP

    26 

    27 #include "code/vmreg.hpp"

    28 #include "oops/accessDecorators.hpp"

    29 #ifdef COMPILER2

    30 #include "opto/optoreg.hpp"

    31 #endif // COMPILER2

    32 

    33 #ifdef COMPILER1

    34 class LIR_Assembler;

    35 class LIR_OprDesc;

    36 typedef LIR_OprDesc* LIR_Opr;

    37 class StubAssembler;

    38 class ZLoadBarrierStubC1;

    39 #endif // COMPILER1

    40 

    41 #ifdef COMPILER2

    42 class Node;

    43 class ZLoadBarrierStubC2;

    44 #endif // COMPILER2

    45 

    46 class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase {

    47 public:

    48   virtual void load_at(MacroAssembler* masm,

    49                        DecoratorSet decorators,

    50                        BasicType type,

    51                        Register dst,

    52                        Address src,

    53                        Register tmp1,

    54                        Register tmp_thread);

    55 

    56 #ifdef ASSERT

    57   virtual void store_at(MacroAssembler* masm,

    58                         DecoratorSet decorators,

    59                         BasicType type,

    60                         Address dst,

    61                         Register val,

    62                         Register tmp1,

    63                         Register tmp2);

    64 #endif // ASSERT

    65 

    66   virtual void arraycopy_prologue(MacroAssembler* masm,

    67                                   DecoratorSet decorators,

    68                                   bool is_oop,

    69                                   Register src,

    70                                   Register dst,

    71                                   Register count,

    72                                   RegSet saved_regs);

    73 

    74   virtual void try_resolve_jobject_in_native(MacroAssembler* masm,

    75                                              Register jni_env,

    76                                              Register robj,

    77                                              Register tmp,

    78                                              Label& slowpath);

    79 

    80 #ifdef COMPILER1

    81   void generate_c1_load_barrier_test(LIR_Assembler* ce,

    82                                      LIR_Opr ref) const;

    83 

    84   void generate_c1_load_barrier_stub(LIR_Assembler* ce,

    85                                      ZLoadBarrierStubC1* stub) const;

    86 

    87   void generate_c1_load_barrier_runtime_stub(StubAssembler* sasm,

    88                                              DecoratorSet decorators) const;

    89 #endif // COMPILER1

    90 

    91 #ifdef COMPILER2

    92   OptoReg::Name refine_register(const Node* node,

    93                                 OptoReg::Name opto_reg);

    94 

    95   void generate_c2_load_barrier_stub(MacroAssembler* masm,

    96                                      ZLoadBarrierStubC2* stub) const;

    97 #endif // COMPILER2

    98 };

    99 

   100 #endif // CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP