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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    MCVM_TvOSVersionMin,        ///< .tvos_version_min
67    MCVM_WatchOSVersionMin,     ///< .watchos_version_min
68  };
69  
70  } // end namespace llvm
71  
72  #endif
73