include/llvm/MC/MCFixupKindInfo.h

   1 //===-- llvm/MC/MCFixupKindInfo.h - Fixup Descriptors -----------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_MC_MCFIXUPKINDINFO_H
  10 #define LLVM_MC_MCFIXUPKINDINFO_H
  11
  12 namespace llvm {
  13
  14 /// Target independent information on a fixup kind.
  15 struct MCFixupKindInfo {
  16   enum FixupKindFlags {
  17     /// Is this fixup kind PCrelative? This is used by the assembler backend to
  18     /// evaluate fixup values in a target independent manner when possible.
  19     FKF_IsPCRel = (1 << 0),
  20
  21     /// Should this fixup kind force a 4-byte aligned effective PC value?
  22     FKF_IsAlignedDownTo32Bits = (1 << 1)
  23   };
  24
  25   /// A target specific name for the fixup kind. The names will be unique for
  26   /// distinct kinds on any given target.
  27   const char *Name;
  28
  29   /// The bit offset to write the relocation into.
  30   unsigned TargetOffset;
  31
  32   /// The number of bits written by this fixup. The bits are assumed to be
  33   /// contiguous.
  34   unsigned TargetSize;
  35
  36   /// Flags describing additional information on this fixup kind.
  37   unsigned Flags;
  38 };
  39
  40 } // End llvm namespace
  41
  42 #endif