interpreterRT_arm.hpp revision 12422:98fe046473c9
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_INTERPRETERRT_ARM_HPP 26#define CPU_ARM_VM_INTERPRETERRT_ARM_HPP 27 28#include "memory/allocation.hpp" 29 30// native method calls 31 32class SignatureHandlerGenerator: public NativeSignatureIterator { 33 private: 34 MacroAssembler* _masm; 35 int _abi_offset; 36 int _ireg; 37 38#ifdef __ABI_HARD__ 39#ifdef AARCH64 40 int _freg; 41#else 42 int _fp_slot; // number of FPR's with arguments loaded 43 int _single_fpr_slot; 44#endif 45#endif 46 47 void move(int from_offset, int to_offset); 48 void box(int from_offset, int to_offset); 49 50 void pass_int(); 51 void pass_long(); 52 void pass_float(); 53 void pass_object(); 54#ifdef __ABI_HARD__ 55 void pass_double(); 56#endif 57 public: 58 // Creation 59 SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) { 60 _masm = new MacroAssembler(buffer); 61 _abi_offset = 0; 62 _ireg = is_static() ? 2 : 1; 63#ifdef __ABI_HARD__ 64#ifdef AARCH64 65 _freg = 0; 66#else 67 _fp_slot = 0; 68 _single_fpr_slot = 0; 69#endif 70#endif 71 } 72 73 // Code generation 74 void generate(uint64_t fingerprint); 75 76}; 77 78#ifndef AARCH64 79// ARM provides a normalized fingerprint for native calls (to increase 80// sharing). See normalize_fast_native_fingerprint 81#define SHARING_FAST_NATIVE_FINGERPRINTS 82#endif 83 84#endif // CPU_ARM_VM_INTERPRETERRT_ARM_HPP 85