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27dfb53924
SUMMARY: emit .extern and .weak directive linkage Reviewers: hubert.reinterpretcast, Jason Liu Subscribers: wuzish, nemanjai, hiraditya Differential Revision: https://reviews.llvm.org/D76932
76 lines
3.1 KiB
C++
76 lines
3.1 KiB
C++
//===- MCDirectives.h - Enums for directives on various targets -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines various enums that represent target-specific directives.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCDIRECTIVES_H
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#define LLVM_MC_MCDIRECTIVES_H
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namespace llvm {
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enum MCSymbolAttr {
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MCSA_Invalid = 0, ///< Not a valid directive.
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// Various directives in alphabetical order.
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MCSA_Cold, ///< .cold (MachO)
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MCSA_ELF_TypeFunction, ///< .type _foo, STT_FUNC # aka @function
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MCSA_ELF_TypeIndFunction, ///< .type _foo, STT_GNU_IFUNC
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MCSA_ELF_TypeObject, ///< .type _foo, STT_OBJECT # aka @object
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MCSA_ELF_TypeTLS, ///< .type _foo, STT_TLS # aka @tls_object
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MCSA_ELF_TypeCommon, ///< .type _foo, STT_COMMON # aka @common
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MCSA_ELF_TypeNoType, ///< .type _foo, STT_NOTYPE # aka @notype
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MCSA_ELF_TypeGnuUniqueObject, /// .type _foo, @gnu_unique_object
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MCSA_Global, ///< .globl
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MCSA_LGlobal, ///< .lglobl (XCOFF)
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MCSA_Extern, ///< .extern (XCOFF)
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MCSA_Hidden, ///< .hidden (ELF)
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MCSA_IndirectSymbol, ///< .indirect_symbol (MachO)
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MCSA_Internal, ///< .internal (ELF)
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MCSA_LazyReference, ///< .lazy_reference (MachO)
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MCSA_Local, ///< .local (ELF)
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MCSA_NoDeadStrip, ///< .no_dead_strip (MachO)
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MCSA_SymbolResolver, ///< .symbol_resolver (MachO)
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MCSA_AltEntry, ///< .alt_entry (MachO)
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MCSA_PrivateExtern, ///< .private_extern (MachO)
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MCSA_Protected, ///< .protected (ELF)
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MCSA_Reference, ///< .reference (MachO)
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MCSA_Weak, ///< .weak
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MCSA_WeakDefinition, ///< .weak_definition (MachO)
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MCSA_WeakReference, ///< .weak_reference (MachO)
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MCSA_WeakDefAutoPrivate ///< .weak_def_can_be_hidden (MachO)
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};
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enum MCAssemblerFlag {
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MCAF_SyntaxUnified, ///< .syntax (ARM/ELF)
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MCAF_SubsectionsViaSymbols, ///< .subsections_via_symbols (MachO)
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MCAF_Code16, ///< .code16 (X86) / .code 16 (ARM)
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MCAF_Code32, ///< .code32 (X86) / .code 32 (ARM)
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MCAF_Code64 ///< .code64 (X86)
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};
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enum MCDataRegionType {
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MCDR_DataRegion, ///< .data_region
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MCDR_DataRegionJT8, ///< .data_region jt8
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MCDR_DataRegionJT16, ///< .data_region jt16
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MCDR_DataRegionJT32, ///< .data_region jt32
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MCDR_DataRegionEnd ///< .end_data_region
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};
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enum MCVersionMinType {
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MCVM_IOSVersionMin, ///< .ios_version_min
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MCVM_OSXVersionMin, ///< .macosx_version_min
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MCVM_TvOSVersionMin, ///< .tvos_version_min
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MCVM_WatchOSVersionMin, ///< .watchos_version_min
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};
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} // end namespace llvm
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#endif
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