1 /* 2 * Copyright (c) 2019, 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_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP 25 #define CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP 26 27 #include "code/vmreg.hpp" 28 #include "oops/accessDecorators.hpp" 29 #ifdef COMPILER2 30 #include "opto/optoreg.hpp" 31 #endif // COMPILER2 32 33 #ifdef COMPILER1 34 class LIR_Assembler; 35 class LIR_Opr; 36 class StubAssembler; 37 class ZLoadBarrierStubC1; 38 #endif // COMPILER1 39 40 #ifdef COMPILER2 41 class Node; 42 class ZLoadBarrierStubC2; 43 #endif // COMPILER2 44 45 class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase { 46 public: 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 val, 61 Register tmp1, 62 Register tmp2); 63 #endif // ASSERT 64 65 virtual void arraycopy_prologue(MacroAssembler* masm, 66 DecoratorSet decorators, 67 bool is_oop, 68 Register src, 69 Register dst, 70 Register count, 71 RegSet saved_regs); 72 73 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, 74 Register jni_env, 75 Register robj, 76 Register tmp, 77 Label& slowpath); 78 79 #ifdef COMPILER1 80 void generate_c1_load_barrier_test(LIR_Assembler* ce, 81 LIR_Opr ref) const; 82 83 void generate_c1_load_barrier_stub(LIR_Assembler* ce, 84 ZLoadBarrierStubC1* stub) const; 85 86 void generate_c1_load_barrier_runtime_stub(StubAssembler* sasm, 87 DecoratorSet decorators) const; 88 #endif // COMPILER1 89 90 #ifdef COMPILER2 91 OptoReg::Name refine_register(const Node* node, 92 OptoReg::Name opto_reg); 93 94 void generate_c2_load_barrier_stub(MacroAssembler* masm, 95 ZLoadBarrierStubC2* stub) const; 96 #endif // COMPILER2 97 }; 98 99 #endif // CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP