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[ELF] Add some accessors for lld.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240730 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -227,6 +227,8 @@ public:
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ArchivePointerTypeTraits<const char> > Current;
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};
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typedef iterator_range<Elf_Sym_Iter> Elf_Sym_Range;
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private:
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typedef SmallVector<const Elf_Shdr *, 2> Sections_t;
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typedef DenseMap<unsigned, unsigned> IndexMap_t;
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@ -340,6 +342,9 @@ public:
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Elf_Sym_Iter begin_symbols() const;
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Elf_Sym_Iter end_symbols() const;
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Elf_Sym_Range symbols() const {
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return make_range(begin_symbols(), end_symbols());
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}
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Elf_Dyn_Iter begin_dynamic_table() const;
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/// \param NULLEnd use one past the first DT_NULL entry as the end instead of
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@ -424,6 +429,7 @@ public:
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const Elf_Sym *getSymbol(uint32_t index) const;
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ErrorOr<StringRef> getSymbolName(Elf_Sym_Iter Sym) const;
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ErrorOr<StringRef> getStaticSymbolName(const Elf_Sym *Symb) const;
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/// \brief Get the name of \p Symb.
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/// \param SymTab The symbol table section \p Symb is contained in.
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@ -961,6 +967,12 @@ ErrorOr<StringRef> ELFFile<ELFT>::getSymbolName(Elf_Sym_Iter Sym) const {
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return StringRef(getDynamicString(Sym->st_name));
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}
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template <class ELFT>
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ErrorOr<StringRef>
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ELFFile<ELFT>::getStaticSymbolName(const Elf_Sym *Symb) const {
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return getSymbolName(dot_symtab_sec, Symb);
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}
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template <class ELFT>
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ErrorOr<StringRef> ELFFile<ELFT>::getSymbolName(const Elf_Shdr *Section,
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const Elf_Sym *Symb) const {
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@ -197,6 +197,9 @@ struct Elf_Sym_Impl : Elf_Sym_Base<ELFT> {
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return st_shndx >= ELF::SHN_LORESERVE;
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}
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bool isUndefined() const { return st_shndx == ELF::SHN_UNDEF; }
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bool isExternal() const {
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return getBinding() != ELF::STB_LOCAL;
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}
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};
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/// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section
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