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      1 //===- MCDirectives.h - Enums for directives on various targets -*- 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 defines various enums that represent target-specific directives.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef LLVM_MC_MCDIRECTIVES_H
     15 #define LLVM_MC_MCDIRECTIVES_H
     16 
     17 namespace llvm {
     18 
     19 enum MCSymbolAttr {
     20   MCSA_Invalid = 0,    ///< Not a valid directive.
     21 
     22   // Various directives in alphabetical order.
     23   MCSA_ELF_TypeFunction,    ///< .type _foo, STT_FUNC  # aka @function
     24   MCSA_ELF_TypeIndFunction, ///< .type _foo, STT_GNU_IFUNC
     25   MCSA_ELF_TypeObject,      ///< .type _foo, STT_OBJECT  # aka @object
     26   MCSA_ELF_TypeTLS,         ///< .type _foo, STT_TLS     # aka @tls_object
     27   MCSA_ELF_TypeCommon,      ///< .type _foo, STT_COMMON  # aka @common
     28   MCSA_ELF_TypeNoType,      ///< .type _foo, STT_NOTYPE  # aka @notype
     29   MCSA_ELF_TypeGnuUniqueObject, /// .type _foo, @gnu_unique_object
     30   MCSA_Global,              ///< .globl
     31   MCSA_Hidden,              ///< .hidden (ELF)
     32   MCSA_IndirectSymbol,      ///< .indirect_symbol (MachO)
     33   MCSA_Internal,            ///< .internal (ELF)
     34   MCSA_LazyReference,       ///< .lazy_reference (MachO)
     35   MCSA_Local,               ///< .local (ELF)
     36   MCSA_NoDeadStrip,         ///< .no_dead_strip (MachO)
     37   MCSA_SymbolResolver,      ///< .symbol_resolver (MachO)
     38   MCSA_PrivateExtern,       ///< .private_extern (MachO)
     39   MCSA_Protected,           ///< .protected (ELF)
     40   MCSA_Reference,           ///< .reference (MachO)
     41   MCSA_Weak,                ///< .weak
     42   MCSA_WeakDefinition,      ///< .weak_definition (MachO)
     43   MCSA_WeakReference,       ///< .weak_reference (MachO)
     44   MCSA_WeakDefAutoPrivate   ///< .weak_def_can_be_hidden (MachO)
     45 };
     46 
     47 enum MCAssemblerFlag {
     48   MCAF_SyntaxUnified,         ///< .syntax (ARM/ELF)
     49   MCAF_SubsectionsViaSymbols, ///< .subsections_via_symbols (MachO)
     50   MCAF_Code16,                ///< .code16 (X86) / .code 16 (ARM)
     51   MCAF_Code32,                ///< .code32 (X86) / .code 32 (ARM)
     52   MCAF_Code64                 ///< .code64 (X86)
     53 };
     54 
     55 enum MCDataRegionType {
     56   MCDR_DataRegion,            ///< .data_region
     57   MCDR_DataRegionJT8,         ///< .data_region jt8
     58   MCDR_DataRegionJT16,        ///< .data_region jt16
     59   MCDR_DataRegionJT32,        ///< .data_region jt32
     60   MCDR_DataRegionEnd          ///< .end_data_region
     61 };
     62 
     63 enum MCVersionMinType {
     64   MCVM_IOSVersionMin,         ///< .ios_version_min
     65   MCVM_OSXVersionMin          ///< .macosx_version_min
     66 };
     67 
     68 } // end namespace llvm
     69 
     70 #endif
     71