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1 | //===-- llvm/MC/MCFixupKindInfo.h - Fixup Descriptors -----------*- C++ -*-===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | ||
10 | #ifndef LLVM_MC_MCFIXUPKINDINFO_H | |
11 | #define LLVM_MC_MCFIXUPKINDINFO_H | |
12 | ||
13 | namespace llvm { | |
14 | ||
15 | /// MCFixupKindInfo - Target independent information on a fixup kind. | |
16 | struct MCFixupKindInfo { | |
17 | enum FixupKindFlags { | |
18 | /// Is this fixup kind PCrelative? This is used by the assembler backend to | |
19 | /// evaluate fixup values in a target independent manner when possible. | |
20 | FKF_IsPCRel = (1 << 0), | |
21 | ||
22 | /// Should this fixup kind force a 4-byte aligned effective PC value? | |
23 | FKF_IsAlignedDownTo32Bits = (1 << 1) | |
24 | }; | |
25 | ||
26 | /// A target specific name for the fixup kind. The names will be unique for | |
27 | /// distinct kinds on any given target. | |
28 | const char *Name; | |
29 | ||
30 | /// The bit offset to write the relocation into. | |
31 | unsigned TargetOffset; | |
32 | ||
33 | /// The number of bits written by this fixup. The bits are assumed to be | |
34 | /// contiguous. | |
35 | unsigned TargetSize; | |
36 | ||
37 | /// Flags describing additional information on this fixup kind. | |
38 | unsigned Flags; | |
39 | }; | |
40 | ||
41 | } // End llvm namespace | |
42 | ||
43 | #endif |