1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2018, SAP SE. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #ifndef CPU_PPC_GC_G1_G1BARRIERSETASSEMBLER_PPC_HPP 27 #define CPU_PPC_GC_G1_G1BARRIERSETASSEMBLER_PPC_HPP 28 29 #include "asm/macroAssembler.hpp" 30 #include "gc/shared/modRefBarrierSetAssembler.hpp" 31 #include "utilities/macros.hpp" 32 33 class LIR_Assembler; 34 class StubAssembler; 35 class G1PreBarrierStub; 36 class G1PostBarrierStub; 37 38 class G1BarrierSetAssembler: public ModRefBarrierSetAssembler { 39 protected: 40 virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register from, Register to, Register count, 41 Register preserve1, Register preserve2); 42 virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count, Register preserve); 43 44 void g1_write_barrier_pre(MacroAssembler* masm, DecoratorSet decorators, Register obj, RegisterOrConstant ind_or_offs, Register pre_val, 45 Register tmp1, Register tmp2, bool needs_frame); 46 void g1_write_barrier_post(MacroAssembler* masm, DecoratorSet decorators, Register store_addr, Register new_val, 47 Register tmp1, Register tmp2, Register tmp3); 48 49 virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 50 Register base, RegisterOrConstant ind_or_offs, Register val, 51 Register tmp1, Register tmp2, Register tmp3, bool needs_frame); 52 53 public: 54 #ifdef COMPILER1 55 void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub); 56 void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub); 57 58 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm); 59 void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm); 60 #endif 61 62 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 63 Register base, RegisterOrConstant ind_or_offs, Register dst, 64 Register tmp1, Register tmp2, bool needs_frame, Label *is_null = NULL); 65 66 virtual void resolve_jobject(MacroAssembler* masm, Register value, Register tmp1, Register tmp2, bool needs_frame); 67 }; 68 69 #endif // CPU_PPC_GC_G1_G1BARRIERSETASSEMBLER_PPC_HPP