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      1 //===- MCDirectives.h - Enums for directives on various targets -*- 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 // This file defines various enums that represent target-specific directives.
     10 //
     11 //===----------------------------------------------------------------------===//
     12 
     13 #ifndef LLVM_MC_MCDIRECTIVES_H
     14 #define LLVM_MC_MCDIRECTIVES_H
     15 
     16 namespace llvm {
     17 
     18 enum MCSymbolAttr {
     19   MCSA_Invalid = 0, ///< Not a valid directive.
     20 
     21   // Various directives in alphabetical order.
     22   MCSA_Cold,                    ///< .cold (MachO)
     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_LGlobal,                 ///< .lglobl (XCOFF)
     32   MCSA_Extern,                  ///< .extern (XCOFF)
     33   MCSA_Hidden,                  ///< .hidden (ELF)
     34   MCSA_IndirectSymbol,          ///< .indirect_symbol (MachO)
     35   MCSA_Internal,                ///< .internal (ELF)
     36   MCSA_LazyReference,           ///< .lazy_reference (MachO)
     37   MCSA_Local,                   ///< .local (ELF)
     38   MCSA_NoDeadStrip,             ///< .no_dead_strip (MachO)
     39   MCSA_SymbolResolver,          ///< .symbol_resolver (MachO)
     40   MCSA_AltEntry,                ///< .alt_entry (MachO)
     41   MCSA_PrivateExtern,           ///< .private_extern (MachO)
     42   MCSA_Protected,               ///< .protected (ELF)
     43   MCSA_Reference,               ///< .reference (MachO)
     44   MCSA_Weak,                    ///< .weak
     45   MCSA_WeakDefinition,          ///< .weak_definition (MachO)
     46   MCSA_WeakReference,           ///< .weak_reference (MachO)
     47   MCSA_WeakDefAutoPrivate       ///< .weak_def_can_be_hidden (MachO)
     48 };
     49 
     50 enum MCAssemblerFlag {
     51   MCAF_SyntaxUnified,         ///< .syntax (ARM/ELF)
     52   MCAF_SubsectionsViaSymbols, ///< .subsections_via_symbols (MachO)
     53   MCAF_Code16,                ///< .code16 (X86) / .code 16 (ARM)
     54   MCAF_Code32,                ///< .code32 (X86) / .code 32 (ARM)
     55   MCAF_Code64                 ///< .code64 (X86)
     56 };
     57 
     58 enum MCDataRegionType {
     59   MCDR_DataRegion,            ///< .data_region
     60   MCDR_DataRegionJT8,         ///< .data_region jt8
     61   MCDR_DataRegionJT16,        ///< .data_region jt16
     62   MCDR_DataRegionJT32,        ///< .data_region jt32
     63   MCDR_DataRegionEnd          ///< .end_data_region
     64 };
     65 
     66 enum MCVersionMinType {
     67   MCVM_IOSVersionMin,         ///< .ios_version_min
     68   MCVM_OSXVersionMin,         ///< .macosx_version_min
     69   MCVM_TvOSVersionMin,        ///< .tvos_version_min
     70   MCVM_WatchOSVersionMin,     ///< .watchos_version_min
     71 };
     72 
     73 } // end namespace llvm
     74 
     75 #endif
     76