1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 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 #ifndef CPU_X86_GC_Z_ZBARRIERSETASSEMBLER_X86_HPP 25 #define CPU_X86_GC_Z_ZBARRIERSETASSEMBLER_X86_HPP 26 27 #ifdef COMPILER1 28 class LIR_Assembler; 29 class LIR_OprDesc; 30 typedef LIR_OprDesc* LIR_Opr; 31 class StubAssembler; 32 class ZLoadBarrierStubC1; 33 #endif // COMPILER1 34 35 class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase { 36 address _load_barrier_slow_stub[RegisterImpl::number_of_registers]; 37 address _load_barrier_weak_slow_stub[RegisterImpl::number_of_registers]; 38 39 public: 40 ZBarrierSetAssembler() : 41 _load_barrier_slow_stub(), 42 _load_barrier_weak_slow_stub() {} 43 44 address load_barrier_slow_stub(Register reg) { return _load_barrier_slow_stub[reg->encoding()]; } 45 address load_barrier_weak_slow_stub(Register reg) { return _load_barrier_weak_slow_stub[reg->encoding()]; } 46 47 virtual void load_at(MacroAssembler* masm, 48 DecoratorSet decorators, 49 BasicType type, 50 Register dst, 51 Address src, 52 Register tmp1, 53 Register tmp_thread); 54 55 #ifdef ASSERT 56 virtual void store_at(MacroAssembler* masm, 57 DecoratorSet decorators, 58 BasicType type, 59 Address dst, 60 Register src, 61 Register tmp1, 62 Register tmp2); 63 #endif // ASSERT 64 65 virtual void arraycopy_prologue(MacroAssembler* masm, 66 DecoratorSet decorators, 67 BasicType type, 68 Register src, 69 Register dst, 70 Register count); 71 72 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, 73 Register jni_env, 74 Register obj, 75 Register tmp, 76 Label& slowpath); 77 78 #ifdef COMPILER1 79 void generate_c1_load_barrier_test(LIR_Assembler* ce, 80 LIR_Opr ref) const; 81 82 void generate_c1_load_barrier_stub(LIR_Assembler* ce, 83 ZLoadBarrierStubC1* stub) const; 84 85 void generate_c1_load_barrier_runtime_stub(StubAssembler* sasm, 86 DecoratorSet decorators) const; 87 #endif // COMPILER1 88 89 virtual void barrier_stubs_init(); 90 }; 91 92 #endif // CPU_X86_GC_Z_ZBARRIERSETASSEMBLER_X86_HPP