1 /* 2 * Copyright (c) 2017, 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 25 #ifndef SHARE_VM_GC_SHARED_C1BARRIERSETCODEGEN_HPP 26 #define SHARE_VM_GC_SHARED_C1BARRIERSETCODEGEN_HPP 27 28 #include "c1/c1_Decorators.hpp" 29 #include "c1/c1_LIRGenerator.hpp" 30 #include "c1/c1_Instruction.hpp" 31 #include "c1/c1_LIR.hpp" 32 33 class LIRGenerator; 34 class LIRItem; 35 36 class C1BarrierSetCodeGen: public CHeapObj<mtGC> { 37 protected: 38 virtual LIR_Opr resolve_address(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 39 LIRItem& base, LIR_Opr offset, bool resolve_in_register); 40 41 virtual void generate_referent_check(LIRGenerator* lir_generator, LIRItem& base, LIR_Opr offset, LabelObj* cont); 42 43 // Accesses with resolved address 44 virtual void store_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 45 LIR_Opr addr, LIRItem& base, LIR_Opr offset, LIR_Opr value, 46 CodeEmitInfo* patch_info, CodeEmitInfo* store_emit_info); 47 48 virtual LIR_Opr load_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 49 LIR_Opr addr, LIRItem& base, LIR_Opr offset, 50 CodeEmitInfo* patch_info, CodeEmitInfo* load_emit_info); 51 52 virtual LIR_Opr cas_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 53 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& cmp_value, LIRItem& new_value); 54 55 virtual LIR_Opr swap_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 56 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& value); 57 58 virtual LIR_Opr add_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 59 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& value); 60 61 public: 62 virtual void store_at(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 63 LIRItem& base, LIR_Opr offset, LIR_Opr value, 64 CodeEmitInfo* patch_info, CodeEmitInfo* store_emit_info); 65 66 virtual LIR_Opr load_at(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 67 LIRItem& base, LIR_Opr offset, 68 CodeEmitInfo* patch_info, CodeEmitInfo* load_emit_info); 69 70 virtual LIR_Opr cas_at(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 71 LIRItem& base, LIRItem& offset, LIRItem& cmp_value, LIRItem& new_value); 72 73 virtual LIR_Opr swap_at(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 74 LIRItem& base, LIRItem& offset, LIRItem& value); 75 76 virtual LIR_Opr add_at(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type, 77 LIRItem& base, LIRItem& offset, LIRItem& value); 78 79 virtual void generate_c1_runtime_stubs(BufferBlob* buffer_blob) {} 80 }; 81 82 #endif // SHARE_VM_GC_SHARED_C1BARRIERSETCODEGEN_HPP