src/llvm/include/llvm/MC/MCMachOSymbolFlags.h

   1 //===- MCMachOSymbolFlags.h - MachO Symbol Flags ----------------*- 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 // This file declares the SymbolFlags used for the MachO target.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_MC_MCMACHOSYMBOLFLAGS_H
  15 #define LLVM_MC_MCMACHOSYMBOLFLAGS_H
  16
  17 // These flags are mostly used in MCMachOStreamer.cpp but also needed in
  18 // MachObjectWriter.cpp to test for Weak Definitions of symbols to emit
  19 // the correct relocation information.
  20
  21 namespace llvm {
  22   /// MachOSymbolFlags - We store the value for the 'desc' symbol field in the
  23   /// lowest 16 bits of the implementation defined flags.
  24   enum MachOSymbolFlags { // See <mach-o/nlist.h>.
  25     SF_DescFlagsMask                        = 0xFFFF,
  26
  27     // Reference type flags.
  28     SF_ReferenceTypeMask                    = 0x0007,
  29     SF_ReferenceTypeUndefinedNonLazy        = 0x0000,
  30     SF_ReferenceTypeUndefinedLazy           = 0x0001,
  31     SF_ReferenceTypeDefined                 = 0x0002,
  32     SF_ReferenceTypePrivateDefined          = 0x0003,
  33     SF_ReferenceTypePrivateUndefinedNonLazy = 0x0004,
  34     SF_ReferenceTypePrivateUndefinedLazy    = 0x0005,
  35
  36     // Other 'desc' flags.
  37     SF_ThumbFunc                            = 0x0008,
  38     SF_NoDeadStrip                          = 0x0020,
  39     SF_WeakReference                        = 0x0040,
  40     SF_WeakDefinition                       = 0x0080,
  41     SF_SymbolResolver                       = 0x0100
  42   };
  43
  44 } // end namespace llvm
  45
  46 #endif