1 /* 2 * Copyright (c) 2013, Red Hat Inc. 3 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. 4 * All rights reserved. 5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 6 * 7 * This code is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License version 2 only, as 9 * published by the Free Software Foundation. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 * 25 */ 26 27 #ifndef CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP 28 #define CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP 29 30 #include "memory/allocation.hpp" 31 32 // native method calls 33 34 class SignatureHandlerGenerator: public NativeSignatureIterator { 35 private: 36 MacroAssembler* _masm; 37 unsigned int _num_fp_args; 38 unsigned int _num_int_args; 39 int _stack_offset; 40 41 void pass_int(); 42 void pass_long(); 43 void pass_float(); 44 void pass_double(); 45 void pass_object(); 46 47 public: 48 // Creation 49 SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) { 50 _masm = new MacroAssembler(buffer); 51 _num_int_args = (method->is_static() ? 1 : 0); 52 _num_fp_args = 0; 53 _stack_offset = 0; 54 } 55 56 // Code generation 57 void generate(uint64_t fingerprint); 58 59 // Code generation support 60 static Register from(); 61 static Register to(); 62 static Register temp(); 63 }; 64 65 #endif // CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP