1 /* 2 * Copyright (c) 2016, 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_VM_GC_G1_G1BSCODEGEN_SPARC_HPP 26 #define CPU_SPARC_VM_GC_G1_G1BSCODEGEN_SPARC_HPP 27 28 #include "asm/macroAssembler.hpp" 29 #include "gc/shared/modRefBSCodeGen.hpp" 30 31 class LIR_Assembler; 32 class StubAssembler; 33 class G1PreBarrierStub; 34 class G1PostBarrierStub; 35 36 class G1BSCodeGen: public ModRefBSCodeGen { 37 protected: 38 virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count); 39 virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count, Register tmp); 40 41 void g1_write_barrier_pre(MacroAssembler* masm, Register obj, Register index, int offset, Register pre_val, Register tmp, bool preserve_o_regs); 42 void g1_write_barrier_post(MacroAssembler* masm, Register store_addr, Register new_val, Register tmp); 43 44 virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 45 Register base, Register index, int offset, Register val, Register tmp); 46 47 public: 48 void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub); 49 void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub); 50 51 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm); 52 void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm); 53 54 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 55 Register base, Register index, int offset, Register dst, Register tmp); 56 }; 57 58 #endif // CPU_SPARC_VM_GC_G1_G1BSCODEGEN_SPARC_HPP 59