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_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub); 51 void gen_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