1 /* 2 * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2012, 2014 SAP AG. 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_PPC_VM_INTERPRETERRT_PPC_HPP 27 #define CPU_PPC_VM_INTERPRETERRT_PPC_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 // number of already used floating-point argument registers 38 int _num_used_fp_arg_regs; 39 40 void pass_int(); 41 void pass_long(); 42 void pass_double(); 43 void pass_float(); 44 void pass_object(); 45 46 public: 47 // Creation 48 SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) { 49 _masm = new MacroAssembler(buffer); 50 _num_used_fp_arg_regs = 0; 51 } 52 53 // Code generation 54 void generate(uint64_t fingerprint); 55 }; 56 57 // Support for generate_slow_signature_handler. 58 static address get_result_handler(JavaThread* thread, Method* method); 59 60 // A function to get the signature. 61 static address get_signature(JavaThread* thread, Method* method); 62 63 #endif // CPU_PPC_VM_INTERPRETERRT_PPC_HPP