1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Object/ELFObjectFile.h b/include/llvm/Object/ELFObjectFile.h
index d8b58b8079fa..ef2abd8c52ce 100644
--- a/include/llvm/Object/ELFObjectFile.h
+++ b/include/llvm/Object/ELFObjectFile.h
@@ -235,6 +235,7 @@ protected:
   std::error_code getSectionName(DataRefImpl Sec,
                                  StringRef &Res) const override;
   uint64_t getSectionAddress(DataRefImpl Sec) const override;
+  uint64_t getSectionIndex(DataRefImpl Sec) const override;
   uint64_t getSectionSize(DataRefImpl Sec) const override;
   std::error_code getSectionContents(DataRefImpl Sec,
                                      StringRef &Res) const override;
@@ -646,6 +647,17 @@ uint64_t ELFObjectFile<ELFT>::getSectionAddress(DataRefImpl Sec) const {
 }
 
 template <class ELFT>
+uint64_t ELFObjectFile<ELFT>::getSectionIndex(DataRefImpl Sec) const {
+  auto SectionsOrErr = EF.sections();
+  handleAllErrors(std::move(SectionsOrErr.takeError()),
+                  [](const ErrorInfoBase &) {
+                    llvm_unreachable("unable to get section index");
+                  });
+  const Elf_Shdr *First = SectionsOrErr->begin();
+  return getSection(Sec) - First;
+}
+
+template <class ELFT>
 uint64_t ELFObjectFile<ELFT>::getSectionSize(DataRefImpl Sec) const {
   return getSection(Sec)->sh_size;
 }