| //===- llvm/TextAPI/Symbol.h - TAPI Symbol ----------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TEXTAPI_MACHO_SYMBOL_H |
| #define LLVM_TEXTAPI_MACHO_SYMBOL_H |
| |
| #include "llvm/ADT/BitmaskEnum.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/Support/Error.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "llvm/TextAPI/MachO/ArchitectureSet.h" |
| |
| namespace llvm { |
| namespace MachO { |
| |
| // clang-format off |
| |
| /// Symbol flags. |
| enum class SymbolFlags : uint8_t { |
| /// No flags |
| None = 0, |
| |
| /// Thread-local value symbol |
| ThreadLocalValue = 1U << 0, |
| |
| /// Weak defined symbol |
| WeakDefined = 1U << 1, |
| |
| /// Weak referenced symbol |
| WeakReferenced = 1U << 2, |
| |
| /// Undefined |
| Undefined = 1U << 3, |
| |
| LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue=*/Undefined), |
| }; |
| |
| // clang-format on |
| |
| enum class SymbolKind : uint8_t { |
| GlobalSymbol, |
| ObjectiveCClass, |
| ObjectiveCClassEHType, |
| ObjectiveCInstanceVariable, |
| }; |
| |
| class Symbol { |
| public: |
| constexpr Symbol(SymbolKind Kind, StringRef Name, |
| ArchitectureSet Architectures, SymbolFlags Flags) |
| : Name(Name), Architectures(Architectures), Kind(Kind), Flags(Flags) {} |
| |
| SymbolKind getKind() const { return Kind; } |
| StringRef getName() const { return Name; } |
| ArchitectureSet getArchitectures() const { return Architectures; } |
| void addArchitectures(ArchitectureSet Archs) { Architectures |= Archs; } |
| SymbolFlags getFlags() const { return Flags; } |
| |
| bool isWeakDefined() const { |
| return (Flags & SymbolFlags::WeakDefined) == SymbolFlags::WeakDefined; |
| } |
| |
| bool isWeakReferenced() const { |
| return (Flags & SymbolFlags::WeakReferenced) == SymbolFlags::WeakReferenced; |
| } |
| |
| bool isThreadLocalValue() const { |
| return (Flags & SymbolFlags::ThreadLocalValue) == |
| SymbolFlags::ThreadLocalValue; |
| } |
| |
| bool isUndefined() const { |
| return (Flags & SymbolFlags::Undefined) == SymbolFlags::Undefined; |
| } |
| |
| #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
| void dump(raw_ostream &OS) const; |
| void dump() const { dump(llvm::errs()); } |
| #endif |
| |
| private: |
| StringRef Name; |
| ArchitectureSet Architectures; |
| SymbolKind Kind; |
| SymbolFlags Flags; |
| }; |
| |
| } // end namespace MachO. |
| } // end namespace llvm. |
| |
| #endif // LLVM_TEXTAPI_MACHO_SYMBOL_H |