1 /* 2 * Copyright (c) 2018, Red Hat, Inc. and/or its affiliates. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #ifndef CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP 25 #define CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP 26 27 #include "asm/macroAssembler.hpp" 28 #include "gc/shared/barrierSetAssembler.hpp" 29 #ifdef COMPILER1 30 #include "c1/c1_LIRAssembler.hpp" 31 #include "gc/shenandoah/c1/shenandoahBarrierSetC1.hpp" 32 #endif 33 34 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler { 35 private: 36 37 static address _shenandoah_wb; 38 static address _shenandoah_wb_C; 39 40 void satb_write_barrier_pre(MacroAssembler* masm, 41 Register obj, 42 Register pre_val, 43 Register thread, 44 Register tmp, 45 bool tosca_live, 46 bool expand_call); 47 48 void shenandoah_write_barrier_pre(MacroAssembler* masm, 49 Register obj, 50 Register pre_val, 51 Register thread, 52 Register tmp, 53 bool tosca_live, 54 bool expand_call); 55 void shenandoah_write_barrier_post(MacroAssembler* masm, 56 Register store_addr, 57 Register new_val, 58 Register thread, 59 Register tmp, 60 Register tmp2); 61 62 void read_barrier(MacroAssembler* masm, Register dst); 63 void read_barrier_impl(MacroAssembler* masm, Register dst); 64 65 void read_barrier_not_null(MacroAssembler* masm, Register dst); 66 void read_barrier_not_null_impl(MacroAssembler* masm, Register dst); 67 68 void write_barrier(MacroAssembler* masm, Register dst); 69 void write_barrier_impl(MacroAssembler* masm, Register dst); 70 71 void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp); 72 void storeval_barrier_impl(MacroAssembler* masm, Register dst, Register tmp); 73 74 address generate_shenandoah_wb(StubCodeGenerator* cgen, bool c_abi, bool do_cset_test); 75 76 public: 77 static address shenandoah_wb(); 78 static address shenandoah_wb_C(); 79 80 81 #ifdef COMPILER1 82 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub); 83 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm); 84 #endif 85 86 virtual void cmpxchg_oop(MacroAssembler* masm, DecoratorSet decorators, 87 Register res, Address addr, Register oldval, Register newval, 88 bool exchange, bool encode, Register tmp1, Register tmp2); 89 virtual void xchg_oop(MacroAssembler* masm, DecoratorSet decorators, 90 Register obj, Address addr, Register tmp); 91 92 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 93 Register src, Register dst, Register count); 94 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 95 Register src, Register dst, Register count); 96 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 97 Register dst, Address src, Register tmp1, Register tmp_thread); 98 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type, 99 Address dst, Register val, Register tmp1, Register tmp2); 100 101 virtual void obj_equals(MacroAssembler* masm, DecoratorSet decorators, Register src1, Register src2); 102 virtual void obj_equals_addr(MacroAssembler* masm, DecoratorSet decorators, Register src1, Address src2); 103 104 virtual void resolve_for_read(MacroAssembler* masm, DecoratorSet decorators, Register obj); 105 virtual void resolve_for_write(MacroAssembler* masm, DecoratorSet decorators, Register obj); 106 107 virtual void barrier_stubs_init(); 108 109 }; 110 111 #endif // CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP