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 void pass_valuetype();
50
51 Register next_gpr();
52 FloatRegister next_fpr();
53 int next_stack_offset(unsigned elem_size);
54
55 public:
56 // Creation
57 SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer);
58
59 // Code generation
60 void generate(uint64_t fingerprint);
61
62 // Code generation support
63 static Register from();
64 static Register to();
65 static Register temp();
66 };
67
68 #endif // CPU_AARCH64_INTERPRETERRT_AARCH64_HPP
--- EOF ---