1 files changed, 46 insertions, 0 deletions
diff --git a/lld/lib/ReaderWriter/ELF/ARM/ARMSymbolTable.h b/lld/lib/ReaderWriter/ELF/ARM/ARMSymbolTable.h
new file mode 100644
index 00000000000..540a480421a
--- /dev/null
+++ b/lld/lib/ReaderWriter/ELF/ARM/ARMSymbolTable.h
@@ -0,0 +1,46 @@
+//===--------- lib/ReaderWriter/ELF/ARM/ARMSymbolTable.h ------------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_READER_WRITER_ELF_ARM_ARM_SYMBOL_TABLE_H
+#define LLD_READER_WRITER_ELF_ARM_ARM_SYMBOL_TABLE_H
+
+namespace lld {
+namespace elf {
+
+/// \brief The SymbolTable class represents the symbol table in a ELF file
+template<class ELFT>
+class ARMSymbolTable : public SymbolTable<ELFT> {
+public:
+  typedef llvm::object::Elf_Sym_Impl<ELFT> Elf_Sym;
+
+  ARMSymbolTable(const ELFLinkingContext &context);
+
+  void addDefinedAtom(Elf_Sym &sym, const DefinedAtom *da,
+                      int64_t addr) override;
+};
+
+template <class ELFT>
+ARMSymbolTable<ELFT>::ARMSymbolTable(const ELFLinkingContext &context)
+    : SymbolTable<ELFT>(context, ".symtab",
+                        DefaultLayout<ELFT>::ORDER_SYMBOL_TABLE) {}
+
+template <class ELFT>
+void ARMSymbolTable<ELFT>::addDefinedAtom(Elf_Sym &sym, const DefinedAtom *da,
+                                          int64_t addr) {
+  SymbolTable<ELFT>::addDefinedAtom(sym, da, addr);
+
+  // Set zero bit to distinguish symbols addressing Thumb instructions
+  if (DefinedAtom::codeARMThumb == da->codeModel())
+    sym.st_value = static_cast<int64_t>(sym.st_value) | 0x1;
+}
+
+} // elf
+} // lld
+
+#endif // LLD_READER_WRITER_ELF_ARM_ARM_SYMBOL_TABLE_H