21 *
22 */
23
24 #ifndef CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
25 #define CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
26
27 #include "asm/macroAssembler.hpp"
28 #include "gc/shared/barrierSetAssembler.hpp"
29 #ifdef COMPILER1
30 class LIR_Assembler;
31 class ShenandoahPreBarrierStub;
32 class ShenandoahWriteBarrierStub;
33 class StubAssembler;
34 class StubCodeGenerator;
35 #endif
36
37 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
38 private:
39
40 static address _shenandoah_wb;
41 static address _shenandoah_wb_C;
42
43 void satb_write_barrier_pre(MacroAssembler* masm,
44 Register obj,
45 Register pre_val,
46 Register thread,
47 Register tmp,
48 bool tosca_live,
49 bool expand_call);
50 void shenandoah_write_barrier_pre(MacroAssembler* masm,
51 Register obj,
52 Register pre_val,
53 Register thread,
54 Register tmp,
55 bool tosca_live,
56 bool expand_call);
57
58 void read_barrier(MacroAssembler* masm, Register dst);
59 void read_barrier_impl(MacroAssembler* masm, Register dst);
60 void read_barrier_not_null(MacroAssembler* masm, Register dst);
61 void read_barrier_not_null_impl(MacroAssembler* masm, Register dst);
62 void write_barrier(MacroAssembler* masm, Register dst);
63 void write_barrier_impl(MacroAssembler* masm, Register dst);
64 void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp);
65 void asm_acmp_barrier(MacroAssembler* masm, Register op1, Register op2);
66
67 address generate_shenandoah_wb(StubCodeGenerator* cgen, bool c_abi, bool do_cset_test);
68
69 public:
70 static address shenandoah_wb();
71 static address shenandoah_wb_C();
72
73 static bool is_shenandoah_wb_C_call(address call);
74
75 #ifdef COMPILER1
76 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
77 void gen_write_barrier_stub(LIR_Assembler* ce, ShenandoahWriteBarrierStub* stub);
78 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
79 #endif
80
81 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
82 Register addr, Register count, RegSet saved_regs);
83 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
84 Register start, Register end, Register tmp, RegSet saved_regs);
85 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
86 Register dst, Address src, Register tmp1, Register tmp_thread);
87 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
88 Address dst, Register val, Register tmp1, Register tmp2);
89 virtual void obj_equals(MacroAssembler* masm, Register src1, Register src2);
90 virtual void resolve(MacroAssembler* masm, DecoratorSet decorators, Register obj);
91 virtual void tlab_allocate(MacroAssembler* masm, Register obj,
92 Register var_size_in_bytes,
93 int con_size_in_bytes,
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21 *
22 */
23
24 #ifndef CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
25 #define CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
26
27 #include "asm/macroAssembler.hpp"
28 #include "gc/shared/barrierSetAssembler.hpp"
29 #ifdef COMPILER1
30 class LIR_Assembler;
31 class ShenandoahPreBarrierStub;
32 class ShenandoahWriteBarrierStub;
33 class StubAssembler;
34 class StubCodeGenerator;
35 #endif
36
37 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
38 private:
39
40 static address _shenandoah_wb;
41
42 void satb_write_barrier_pre(MacroAssembler* masm,
43 Register obj,
44 Register pre_val,
45 Register thread,
46 Register tmp,
47 bool tosca_live,
48 bool expand_call);
49 void shenandoah_write_barrier_pre(MacroAssembler* masm,
50 Register obj,
51 Register pre_val,
52 Register thread,
53 Register tmp,
54 bool tosca_live,
55 bool expand_call);
56
57 void read_barrier(MacroAssembler* masm, Register dst);
58 void read_barrier_impl(MacroAssembler* masm, Register dst);
59 void read_barrier_not_null(MacroAssembler* masm, Register dst);
60 void read_barrier_not_null_impl(MacroAssembler* masm, Register dst);
61 void write_barrier(MacroAssembler* masm, Register dst);
62 void write_barrier_impl(MacroAssembler* masm, Register dst);
63 void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp);
64 void asm_acmp_barrier(MacroAssembler* masm, Register op1, Register op2);
65
66 address generate_shenandoah_wb(StubCodeGenerator* cgen);
67
68 public:
69 static address shenandoah_wb();
70
71 #ifdef COMPILER1
72 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
73 void gen_write_barrier_stub(LIR_Assembler* ce, ShenandoahWriteBarrierStub* stub);
74 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
75 #endif
76
77 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
78 Register addr, Register count, RegSet saved_regs);
79 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
80 Register start, Register end, Register tmp, RegSet saved_regs);
81 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
82 Register dst, Address src, Register tmp1, Register tmp_thread);
83 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
84 Address dst, Register val, Register tmp1, Register tmp2);
85 virtual void obj_equals(MacroAssembler* masm, Register src1, Register src2);
86 virtual void resolve(MacroAssembler* masm, DecoratorSet decorators, Register obj);
87 virtual void tlab_allocate(MacroAssembler* masm, Register obj,
88 Register var_size_in_bytes,
89 int con_size_in_bytes,
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