1 /*
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 3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
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11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
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25 
26 #ifndef CPU_AARCH64_RELOCINFO_AARCH64_HPP
27 #define CPU_AARCH64_RELOCINFO_AARCH64_HPP
28 
29   // machine-dependent parts of class relocInfo
30  private:
31   enum {
32     // AArch64 instructions are always 4 bytes long and 4-aligned, so
33     // the two lowest offset bits can always be discarded.
34     offset_unit        =  4,
35     // Must be at least 1 for RelocInfo::narrow_oop_in_const.
36     // Must be at least 2 for ZGC GC barrier patching.
37     // Must be at least 3 for Shenandoah GC barrier patching.
38     format_width       =  3
39   };
40 
41  public:
42 
43   // This platform has no oops in the code that are not also
44   // listed in the oop section.
45   static bool mustIterateImmediateOopsInCode() { return false; }
46 
47 #endif // CPU_AARCH64_RELOCINFO_AARCH64_HPP