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_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
27 #define CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
28
29 #include "asm/macroAssembler.hpp"
30 #include "gc/shared/barrierSetAssembler.hpp"
31 #include "gc/shenandoah/shenandoahBarrierSet.hpp"
32 #ifdef COMPILER1
33 class LIR_Assembler;
34 class ShenandoahPreBarrierStub;
35 class ShenandoahLoadReferenceBarrierStub;
36 class StubAssembler;
37 #endif
38 class StubCodeGenerator;
39
40 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
41 private:
42
43 void satb_barrier(MacroAssembler* masm,
44 Register obj,
45 Register pre_val,
46 Register thread,
47 Register tmp1,
48 Register tmp2,
49 bool tosca_live,
50 bool expand_call);
51
52 void card_barrier(MacroAssembler* masm, Register obj);
53
54 void resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
55 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
56 void load_reference_barrier(MacroAssembler* masm, Register dst, Address load_addr, DecoratorSet decorators);
57
58 void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
59 Register start, Register count,
60 Register scratch);
64
65 #ifdef COMPILER1
66 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
67 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
68 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
69 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
70 #endif
71
72 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
73 Register src, Register dst, Register count, RegSet saved_regs);
74 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
75 Register start, Register count, Register tmp);
76 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
77 Register dst, Address src, Register tmp1, Register tmp2);
78 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
79 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
80 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
81 Register obj, Register tmp, Label& slowpath);
82 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
83 bool acquire, bool release, bool is_cae, Register result);
84 };
85
86 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
|
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_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
27 #define CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
28
29 #include "asm/macroAssembler.hpp"
30 #include "gc/shared/barrierSetAssembler.hpp"
31 #include "gc/shenandoah/shenandoahBarrierSet.hpp"
32 #ifdef COMPILER1
33 class LIR_Assembler;
34 class ShenandoahPreBarrierStub;
35 class ShenandoahLoadReferenceBarrierStub;
36 class StubAssembler;
37 #endif
38 #ifdef COMPILER2
39 class MachNode;
40 #endif // COMPILER2
41 class StubCodeGenerator;
42
43 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
44 friend class ShenandoahCASBarrierSlowStub;
45 private:
46
47 void satb_barrier(MacroAssembler* masm,
48 Register obj,
49 Register pre_val,
50 Register thread,
51 Register tmp1,
52 Register tmp2,
53 bool tosca_live,
54 bool expand_call);
55
56 void card_barrier(MacroAssembler* masm, Register obj);
57
58 void resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
59 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
60 void load_reference_barrier(MacroAssembler* masm, Register dst, Address load_addr, DecoratorSet decorators);
61
62 void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
63 Register start, Register count,
64 Register scratch);
68
69 #ifdef COMPILER1
70 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
71 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
72 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
73 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
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);
80 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
81 Register dst, Address src, Register tmp1, Register tmp2);
82 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
83 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
84 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
85 Register obj, Register tmp, Label& slowpath);
86 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
87 bool acquire, bool release, bool is_cae, Register result);
88 #ifdef COMPILER2
89 void store_c2(const MachNode* node, MacroAssembler* masm, Register dst, bool dst_narrow, Register src, bool src_narrow, Register tmp, Register pre_val, bool is_volatile);
90
91 void load_ref_barrier_c2(const MachNode* node, MacroAssembler* masm, Register obj, Register addr, bool narrow, bool maybe_null, Register gc_state);
92 void satb_barrier_c2(const MachNode* node, MacroAssembler* masm, Register obj, Register pre_val, Register gc_state, bool encoded_preval);
93 void card_barrier_c2(const MachNode* node, MacroAssembler* masm, Register addr, Register tmp);
94 void cmpxchg_oop_c2(const MachNode* node, MacroAssembler* masm, Register addr, Register oldval, Register newval, Register res, Register gc_state, Register tmp, bool acquire, bool release, bool weak, bool exchange);
95 #endif
96 };
97
98 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
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