1/*
2 * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2014 SAP SE. 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
34class 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.
58static address get_result_handler(JavaThread* thread, Method* method);
59
60// A function to get the signature.
61static address get_signature(JavaThread* thread, Method* method);
62
63#endif // CPU_PPC_VM_INTERPRETERRT_PPC_HPP
64