[ELF] Add some accessors for lld.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240730 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2015-06-25 23:40:41 +00:00
parent 1cf2b03af4
commit 7358cbc837
2 changed files with 15 additions and 0 deletions

View File

@ -227,6 +227,8 @@ public:
ArchivePointerTypeTraits<const char> > Current;
};
typedef iterator_range<Elf_Sym_Iter> Elf_Sym_Range;
private:
typedef SmallVector<const Elf_Shdr *, 2> Sections_t;
typedef DenseMap<unsigned, unsigned> IndexMap_t;
@ -340,6 +342,9 @@ public:
Elf_Sym_Iter begin_symbols() const;
Elf_Sym_Iter end_symbols() const;
Elf_Sym_Range symbols() const {
return make_range(begin_symbols(), end_symbols());
}
Elf_Dyn_Iter begin_dynamic_table() const;
/// \param NULLEnd use one past the first DT_NULL entry as the end instead of
@ -424,6 +429,7 @@ public:
const Elf_Sym *getSymbol(uint32_t index) const;
ErrorOr<StringRef> getSymbolName(Elf_Sym_Iter Sym) const;
ErrorOr<StringRef> getStaticSymbolName(const Elf_Sym *Symb) const;
/// \brief Get the name of \p Symb.
/// \param SymTab The symbol table section \p Symb is contained in.
@ -961,6 +967,12 @@ ErrorOr<StringRef> ELFFile<ELFT>::getSymbolName(Elf_Sym_Iter Sym) const {
return StringRef(getDynamicString(Sym->st_name));
}
template <class ELFT>
ErrorOr<StringRef>
ELFFile<ELFT>::getStaticSymbolName(const Elf_Sym *Symb) const {
return getSymbolName(dot_symtab_sec, Symb);
}
template <class ELFT>
ErrorOr<StringRef> ELFFile<ELFT>::getSymbolName(const Elf_Shdr *Section,
const Elf_Sym *Symb) const {

View File

@ -197,6 +197,9 @@ struct Elf_Sym_Impl : Elf_Sym_Base<ELFT> {
return st_shndx >= ELF::SHN_LORESERVE;
}
bool isUndefined() const { return st_shndx == ELF::SHN_UNDEF; }
bool isExternal() const {
return getBinding() != ELF::STB_LOCAL;
}
};
/// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section