1 /* 2 * Copyright (c) 2008, 2013, 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 CPU_ARM_VM_STUBROUTINES_ARM_HPP 26 #define CPU_ARM_VM_STUBROUTINES_ARM_HPP 27 28 // This file holds the platform specific parts of the StubRoutines 29 // definition. See stubRoutines.hpp for a description on how to 30 // extend it. 31 32 enum platform_dependent_constants { 33 code_size1 = 9000, // simply increase if too small (assembler will crash if too small) 34 code_size2 = 22000 // simply increase if too small (assembler will crash if too small) 35 }; 36 37 class Arm { 38 friend class StubGenerator; 39 friend class VMStructs; 40 41 private: 42 43 #ifndef AARCH64 44 static address _idiv_irem_entry; 45 #endif 46 static address _partial_subtype_check; 47 48 public: 49 50 #ifndef AARCH64 51 static address idiv_irem_entry() { return _idiv_irem_entry; } 52 #endif 53 static address partial_subtype_check() { return _partial_subtype_check; } 54 }; 55 56 static bool returns_to_call_stub(address return_pc) { 57 return return_pc == _call_stub_return_address; 58 } 59 60 #ifndef AARCH64 61 static address _atomic_load_long_entry; 62 static address _atomic_store_long_entry; 63 64 static address atomic_load_long_entry() { return _atomic_load_long_entry; } 65 static address atomic_store_long_entry() { return _atomic_store_long_entry; } 66 #endif 67 68 69 #endif // CPU_ARM_VM_STUBROUTINES_ARM_HPP