1 /* 2 * Copyright (c) 1998, 2019, 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_X86_INTERPRETERRT_X86_HPP 26 #define CPU_X86_INTERPRETERRT_X86_HPP 27 28 // This is included in the middle of class Interpreter. 29 // Do not include files here. 30 31 // native method calls 32 33 class SignatureHandlerGenerator: public NativeSignatureIterator { 34 private: 35 MacroAssembler* _masm; 36 #ifdef AMD64 37 #ifdef _WIN64 38 unsigned int _num_args; 39 #else 40 unsigned int _num_fp_args; 41 unsigned int _num_int_args; 42 #endif // _WIN64 43 int _stack_offset; 44 #else 45 void move(int from_offset, int to_offset); 46 void box(int from_offset, int to_offset); 47 #endif // AMD64 48 49 void pass_int(); 50 void pass_long(); 51 void pass_float(); 52 #ifdef AMD64 53 void pass_double(); 54 #endif // AMD64 55 void pass_object(); 56 57 public: 58 // Creation 59 SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer); 60 61 // Code generation 62 void generate(uint64_t fingerprint); 63 64 // Code generation support 65 static Register from(); 66 static Register to(); 67 static Register temp(); 68 }; 69 70 #endif // CPU_X86_INTERPRETERRT_X86_HPP 71