--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.hpp Mon Dec 10 15:47:44 2018 +0100
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP
+#define CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP
+
+#include "asm/macroAssembler.hpp"
+#include "gc/shared/barrierSetAssembler.hpp"
+#ifdef COMPILER1
+class LIR_Assembler;
+class ShenandoahPreBarrierStub;
+class ShenandoahWriteBarrierStub;
+class StubAssembler;
+class StubCodeGenerator;
+#endif
+
+class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
+private:
+
+ static address _shenandoah_wb;
+
+ void satb_write_barrier_pre(MacroAssembler* masm,
+ Register obj,
+ Register pre_val,
+ Register thread,
+ Register tmp,
+ bool tosca_live,
+ bool expand_call);
+
+ void shenandoah_write_barrier_pre(MacroAssembler* masm,
+ Register obj,
+ Register pre_val,
+ Register thread,
+ Register tmp,
+ bool tosca_live,
+ bool expand_call);
+
+ void read_barrier(MacroAssembler* masm, Register dst);
+ void read_barrier_impl(MacroAssembler* masm, Register dst);
+
+ void read_barrier_not_null(MacroAssembler* masm, Register dst);
+ void read_barrier_not_null_impl(MacroAssembler* masm, Register dst);
+
+ void write_barrier(MacroAssembler* masm, Register dst);
+ void write_barrier_impl(MacroAssembler* masm, Register dst);
+
+ void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp);
+ void storeval_barrier_impl(MacroAssembler* masm, Register dst, Register tmp);
+
+ address generate_shenandoah_wb(StubCodeGenerator* cgen);
+
+ void save_vector_registers(MacroAssembler* masm);
+ void restore_vector_registers(MacroAssembler* masm);
+
+public:
+ static address shenandoah_wb();
+
+#ifdef COMPILER1
+ void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
+ void gen_write_barrier_stub(LIR_Assembler* ce, ShenandoahWriteBarrierStub* stub);
+ void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
+#endif
+
+ void cmpxchg_oop(MacroAssembler* masm,
+ Register res, Address addr, Register oldval, Register newval,
+ bool exchange, bool encode, Register tmp1, Register tmp2);
+ virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+ Register src, Register dst, Register count);
+ virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+ Register src, Register dst, Register count);
+ virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+ Register dst, Address src, Register tmp1, Register tmp_thread);
+ virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+ Address dst, Register val, Register tmp1, Register tmp2);
+
+#ifndef _LP64
+ virtual void obj_equals(MacroAssembler* masm,
+ Address obj1, jobject obj2);
+ virtual void obj_equals(MacroAssembler* masm,
+ Register obj1, jobject obj2);
+#endif
+
+ virtual void obj_equals(MacroAssembler* masm, Register src1, Register src2);
+ virtual void obj_equals(MacroAssembler* masm, Register src1, Address src2);
+
+ virtual void tlab_allocate(MacroAssembler* masm,
+ Register thread, Register obj,
+ Register var_size_in_bytes,
+ int con_size_in_bytes,
+ Register t1, Register t2,
+ Label& slow_case);
+
+ virtual void resolve(MacroAssembler* masm, DecoratorSet decorators, Register obj);
+
+ virtual void barrier_stubs_init();
+
+};
+
+#endif // CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP