1 /* 2 * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2014, Red Hat Inc. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #ifndef CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP 27 #define CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP 28 29 #include "asm/macroAssembler.hpp" 30 #include "memory/allocation.hpp" 31 32 // native method calls 33 34 class SignatureHandlerGenerator: public NativeSignatureIterator { 35 private: 36 MacroAssembler* _masm; 37 unsigned int _call_format; 38 unsigned int _num_fp_args; 39 unsigned int _num_int_args; 40 int _stack_offset; 41 42 void pass_int(); 43 void pass_long(); 44 void pass_float(); 45 void pass_double(); 46 void pass_object(); 47 48 public: 49 // Creation 50 SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) { 51 _masm = new MacroAssembler(buffer); 52 _num_int_args = (method->is_static() ? 1 : 0); 53 _num_fp_args = 0; 54 _stack_offset = 0; 55 } 56 57 // Code generation 58 void generate(uint64_t fingerprint); 59 60 // Code generation support 61 static Register from(); 62 static Register to(); 63 static Register temp(); 64 }; 65 66 #endif // CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP