src/llvm/include/llvm/MC/MCFixupKindInfo.h

   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