1 | /* |
2 | * Copyright (c) 1997, 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 |
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23 | */ |
24 | |
25 | #ifndef CPU_X86_RELOCINFO_X86_HPP |
26 | #define CPU_X86_RELOCINFO_X86_HPP |
27 | |
28 | // machine-dependent parts of class relocInfo |
29 | private: |
30 | enum { |
31 | // Intel instructions are byte-aligned. |
32 | offset_unit = 1, |
33 | |
34 | // Encodes Assembler::disp32_operand vs. Assembler::imm32_operand. |
35 | #ifndef AMD64 |
36 | format_width = 1 |
37 | #else |
38 | // vs Assembler::narrow_oop_operand. |
39 | format_width = 2 |
40 | #endif |
41 | }; |
42 | |
43 | public: |
44 | |
45 | // Instruct loadConP of x86_64.ad places oops in code that are not also |
46 | // listed in the oop section. |
47 | static bool mustIterateImmediateOopsInCode() { return true; } |
48 | |
49 | #endif // CPU_X86_RELOCINFO_X86_HPP |
50 | |