11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
26 #define CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
27
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/modRefBarrierSetAssembler.hpp"
30
31 class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {
32 protected:
33 virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count);
34 virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count,
35 bool do_return);
36
37 void g1_write_barrier_pre(MacroAssembler* masm, DecoratorSet decorators,
38 const Address* obj, // Address of oop or NULL if pre-loaded.
39 Register Rpre_val, // Ideally, this is a non-volatile register.
40 Register Rval, // Will be preserved.
41 Register Rtmp1, // If Rpre_val is volatile, either Rtmp1
42 Register Rtmp2, // or Rtmp2 has to be non-volatile.
43 bool pre_val_needed); // Save Rpre_val across runtime call, caller uses it.
44
45 void g1_write_barrier_post(MacroAssembler* masm, DecoratorSet decorators, Register Rstore_addr, Register Rnew_val,
46 Register Rtmp1, Register Rtmp2, Register Rtmp3);
47
48 virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
49 const Address& dst, Register val, Register tmp1, Register tmp2, Register tmp3);
50
51 public:
52 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
53 const Address& src, Register dst, Register tmp1, Register tmp2, Label *is_null = NULL);
54
55 virtual void resolve_jobject(MacroAssembler* masm, Register value, Register tmp1, Register tmp2);
56 };
57
58 #endif // CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
26 #define CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
27
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/modRefBarrierSetAssembler.hpp"
30
31 class LIR_Assembler;
32 class StubAssembler;
33 class G1PreBarrierStub;
34 class G1PostBarrierStub;
35
36 class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {
37 protected:
38 virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count);
39 virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count,
40 bool do_return);
41
42 void g1_write_barrier_pre(MacroAssembler* masm, DecoratorSet decorators,
43 const Address* obj, // Address of oop or NULL if pre-loaded.
44 Register Rpre_val, // Ideally, this is a non-volatile register.
45 Register Rval, // Will be preserved.
46 Register Rtmp1, // If Rpre_val is volatile, either Rtmp1
47 Register Rtmp2, // or Rtmp2 has to be non-volatile.
48 bool pre_val_needed); // Save Rpre_val across runtime call, caller uses it.
49
50 void g1_write_barrier_post(MacroAssembler* masm, DecoratorSet decorators, Register Rstore_addr, Register Rnew_val,
51 Register Rtmp1, Register Rtmp2, Register Rtmp3);
52
53 virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
54 const Address& dst, Register val, Register tmp1, Register tmp2, Register tmp3);
55
56 public:
57 void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);
58 void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);
59
60 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
61 void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);
62
63 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
64 const Address& src, Register dst, Register tmp1, Register tmp2, Label *is_null = NULL);
65
66 virtual void resolve_jobject(MacroAssembler* masm, Register value, Register tmp1, Register tmp2);
67 };
68
69 #endif // CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
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