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 resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
58 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
59 void load_reference_barrier(MacroAssembler* masm, Register dst, Register tmp);
60 void load_reference_barrier_not_null(MacroAssembler* masm, Register dst, Register tmp);
61 void load_reference_barrier_native(MacroAssembler* masm, Register dst, Register tmp);
62
63 address generate_shenandoah_lrb(StubCodeGenerator* cgen);
64
65 public:
66 static address shenandoah_lrb();
67
68 void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp);
69
70 #ifdef COMPILER1
71 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
72 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
73 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
74 #endif
75
76 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
77 Register src, Register dst, Register count, RegSet saved_regs);
78 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
79 Register start, Register count, Register tmp, RegSet saved_regs);
80 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
81 Register dst, Address src, Register tmp1, Register tmp_thread);
82 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
83 Address dst, Register val, Register tmp1, Register tmp2);
84 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
85 bool acquire, bool release, bool weak, bool is_cae, Register result);
86
87 virtual void barrier_stubs_init();
88 };
89
90 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
|
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 resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
58 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
59 void load_reference_barrier(MacroAssembler* masm, Register dst, Register tmp);
60 void load_reference_barrier_not_null(MacroAssembler* masm, Register dst, Register tmp);
61 void load_reference_barrier_native(MacroAssembler* masm, Register dst, Register tmp);
62
63 address generate_shenandoah_lrb(StubCodeGenerator* cgen);
64
65 // Generate cset check. If obj is in cset, branch to in_cset label, otherwise fall through
66 // obj: Register holding the oop, preserved
67 // tmp1, tmp2: temp registers, trashed
68 void gen_cset_check(MacroAssembler* masm, Register obj, Register tmp1, Register tmp2, Label& in_cset);
69
70 // Generate check if object is resolved. Branch to not_resolved label, if not. Otherwise return resolved
71 // object in obj register.
72 // obj: object, resolved object on normal return
73 // tmp1, tmp2: temp registers, trashed
74 void gen_resolved_check(MacroAssembler* masm, Register obj, Register tmp1, Register tmp2, Label& resolved);
75
76 public:
77 static address shenandoah_lrb();
78
79 void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp);
80
81 #ifdef COMPILER1
82 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
83 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
84 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
85 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm);
86 #endif
87
88 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
89 Register src, Register dst, Register count, RegSet saved_regs);
90 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
91 Register start, Register count, Register tmp, RegSet saved_regs);
92 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
93 Register dst, Address src, Register tmp1, Register tmp_thread);
94 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
95 Address dst, Register val, Register tmp1, Register tmp2);
96 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
97 bool acquire, bool release, bool weak, bool is_cae, Register result);
98
99 virtual void barrier_stubs_init();
100 };
101
102 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
|