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| 14 | pmbaty | 1 | //===-- llvm/MC/MCFixupKindInfo.h - Fixup Descriptors -----------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |||
| 9 | #ifndef LLVM_MC_MCFIXUPKINDINFO_H |
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| 10 | #define LLVM_MC_MCFIXUPKINDINFO_H |
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| 11 | |||
| 12 | namespace llvm { |
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| 13 | |||
| 14 | /// Target independent information on a fixup kind. |
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| 15 | struct MCFixupKindInfo { |
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| 16 | enum FixupKindFlags { |
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| 17 | /// Is this fixup kind PCrelative? This is used by the assembler backend to |
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| 18 | /// evaluate fixup values in a target independent manner when possible. |
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| 19 | FKF_IsPCRel = (1 << 0), |
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| 20 | |||
| 21 | /// Should this fixup kind force a 4-byte aligned effective PC value? |
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| 22 | FKF_IsAlignedDownTo32Bits = (1 << 1), |
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| 23 | |||
| 24 | /// Should this fixup be evaluated in a target dependent manner? |
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| 25 | FKF_IsTarget = (1 << 2), |
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| 26 | |||
| 27 | /// This fixup kind should be resolved if defined. |
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| 28 | /// FIXME This is a workaround because we don't support certain ARM |
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| 29 | /// relocation types. This flag should eventually be removed. |
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| 30 | FKF_Constant = 1 << 3, |
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| 31 | }; |
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| 32 | |||
| 33 | /// A target specific name for the fixup kind. The names will be unique for |
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| 34 | /// distinct kinds on any given target. |
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| 35 | const char *Name; |
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| 36 | |||
| 37 | /// The bit offset to write the relocation into. |
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| 38 | unsigned TargetOffset; |
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| 39 | |||
| 40 | /// The number of bits written by this fixup. The bits are assumed to be |
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| 41 | /// contiguous. |
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| 42 | unsigned TargetSize; |
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| 43 | |||
| 44 | /// Flags describing additional information on this fixup kind. |
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| 45 | unsigned Flags; |
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| 46 | }; |
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| 47 | |||
| 48 | } // End llvm namespace |
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| 49 | |||
| 50 | #endif |