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 /// \brief 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 44