1 /* 2 * Copyright (c) 1998, 2021, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2014, Red Hat Inc. All rights reserved. 4 * Copyright (c) 2021, Azul Systems, Inc. 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_INTERPRETERRT_AARCH64_HPP 28 #define CPU_AARCH64_INTERPRETERRT_AARCH64_HPP 29 30 // This is included in the middle of class Interpreter. 31 // Do not include files here. 32 33 // native method calls 34 35 class SignatureHandlerGenerator: public NativeSignatureIterator { 36 private: 37 MacroAssembler* _masm; 38 unsigned int _num_reg_fp_args; 39 unsigned int _num_reg_int_args; 40 int _stack_offset; 41 42 void pass_byte(); 43 void pass_short(); 44 void pass_int(); 45 void pass_long(); 46 void pass_float(); 47 void pass_double(); 48 void pass_object(); 49 50 Register next_gpr(); 51 FloatRegister next_fpr(); 52 int next_stack_offset(unsigned elem_size); 53 54 public: 55 // Creation 56 SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer); 57 58 // Code generation 59 void generate(uint64_t fingerprint); 60 61 // Code generation support 62 static Register from(); 63 static Register to(); 64 static Register temp(); 65 }; 66 67 #endif // CPU_AARCH64_INTERPRETERRT_AARCH64_HPP --- EOF ---