1 /* 2 * Copyright (c) 2008, 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 CPU_ARM_VM_INTERPRETERRT_ARM_HPP 26 #define CPU_ARM_VM_INTERPRETERRT_ARM_HPP 27 28 // native method calls 29 30 class SignatureHandlerGenerator: public NativeSignatureIterator { 31 private: 32 MacroAssembler* _masm; 33 int _abi_offset; 34 int _ireg; 35 36 #ifdef __ABI_HARD__ 37 #ifdef AARCH64 38 int _freg; 39 #else 40 int _fp_slot; // number of FPR's with arguments loaded 41 int _single_fpr_slot; 42 #endif 43 #endif 44 45 void move(int from_offset, int to_offset); 46 void box(int from_offset, int to_offset); 47 48 void pass_int(); 49 void pass_long(); 50 void pass_float(); 51 void pass_object(); 52 #ifdef __ABI_HARD__ 53 void pass_double(); 54 #endif 55 public: 56 // Creation 57 SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer); 58 59 // Code generation 60 void generate(uint64_t fingerprint); 61 }; 62 63 #ifndef AARCH64 64 // ARM provides a normalized fingerprint for native calls (to increase 65 // sharing). See normalize_fast_native_fingerprint 66 #define SHARING_FAST_NATIVE_FINGERPRINTS 67 #endif 68 69 #endif // CPU_ARM_VM_INTERPRETERRT_ARM_HPP