1 /*
 2  * Copyright (c) 2018, 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_SPARC_GC_G1_G1BARRIERSETASSEMBLER_SPARC_HPP
26 #define CPU_SPARC_GC_G1_G1BARRIERSETASSEMBLER_SPARC_HPP
27 
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/modRefBarrierSetAssembler.hpp"
30 #include "utilities/macros.hpp"
31 
32 class LIR_Assembler;
33 class StubAssembler;
34 class G1PreBarrierStub;
35 class G1PostBarrierStub;
36 
37 class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {
38 protected:
39   virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count);
40   virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count, Register tmp);
41 
42   void g1_write_barrier_pre(MacroAssembler* masm, Register obj, Register index, int offset, Register pre_val, Register tmp, bool preserve_o_regs);
43   void g1_write_barrier_post(MacroAssembler* masm, Register store_addr, Register new_val, Register tmp);
44 
45   virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
46                             Register val, Address dst, Register tmp);
47 
48 public:
49 #ifdef COMPILER1
50   void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);
51   void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);
52 
53   void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
54   void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);
55 #endif
56 
57   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
58                        Address src, Register dst, Register tmp);
59   virtual void barrier_stubs_init();
60 };
61 
62 #endif // CPU_SPARC_GC_G1_G1BARRIERSETASSEMBLER_SPARC_HPP