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_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP
26 #define CPU_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP
27
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/barrierSetAssembler.hpp"
30
31 class ModRefBarrierSetAssembler: public BarrierSetAssembler {
32 protected:
33 virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
34 Register addr, Register count, int callee_saved_regs) {}
35 virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
36 Register addr, Register count, Register tmp) {}
37
38 public:
39 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
40 Register addr, Register count, int callee_saved_regs);
41 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
42 Register addr, Register count, Register tmp);
43 };
44
45 #endif // CPU_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_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_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP
26 #define CPU_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP
27
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/barrierSetAssembler.hpp"
30
31 // The ModRefBarrierSetAssembler filters away accesses on BasicTypes other
32 // than T_OBJECT/T_ARRAY (oops). The oop accesses call one of the protected
33 // accesses, which are overridden in the concrete BarrierSetAssembler.
34
35 class ModRefBarrierSetAssembler: public BarrierSetAssembler {
36 protected:
37 virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
38 Register addr, Register count, int callee_saved_regs) {}
39 virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
40 Register addr, Register count, Register tmp) {}
41
42 virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
43 Address obj, Register val, Register tmp1, Register tmp2, Register tmp3, bool is_null) = 0;
44
45 public:
46 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
47 Register addr, Register count, int callee_saved_regs);
48 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
49 Register addr, Register count, Register tmp);
50 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
51 Address obj, Register val, Register tmp1, Register tmp2, Register tmp3, bool is_null);
52 };
53
54 #endif // CPU_ARM_GC_SHARED_MODREFBARRIERSETASSEMBLER_ARM_HPP
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