1 files changed, 20 insertions, 6 deletions
diff --git a/llvm/lib/Object/BuildID.cpp b/llvm/lib/Object/BuildID.cpp
index 89d6bc3..d1ee597 100644
--- a/llvm/lib/Object/BuildID.cpp
+++ b/llvm/lib/Object/BuildID.cpp
@@ -24,6 +24,24 @@ using namespace llvm::object;
 namespace {
 
 template <typename ELFT> BuildIDRef getBuildID(const ELFFile<ELFT> &Obj) {
+  auto findBuildID = [&Obj](const auto &ShdrOrPhdr,
+                            uint64_t Alignment) -> std::optional<BuildIDRef> {
+    Error Err = Error::success();
+    for (auto N : Obj.notes(ShdrOrPhdr, Err))
+      if (N.getType() == ELF::NT_GNU_BUILD_ID &&
+          N.getName() == ELF::ELF_NOTE_GNU)
+        return N.getDesc(Alignment);
+    consumeError(std::move(Err));
+    return std::nullopt;
+  };
+
+  auto Sections = cantFail(Obj.sections());
+  for (const auto &S : Sections) {
+    if (S.sh_type != ELF::SHT_NOTE)
+      continue;
+    if (std::optional<BuildIDRef> ShdrRes = findBuildID(S, S.sh_addralign))
+      return ShdrRes.value();
+  }
   auto PhdrsOrErr = Obj.program_headers();
   if (!PhdrsOrErr) {
     consumeError(PhdrsOrErr.takeError());
@@ -32,12 +50,8 @@ template <typename ELFT> BuildIDRef getBuildID(const ELFFile<ELFT> &Obj) {
   for (const auto &P : *PhdrsOrErr) {
     if (P.p_type != ELF::PT_NOTE)
       continue;
-    Error Err = Error::success();
-    for (auto N : Obj.notes(P, Err))
-      if (N.getType() == ELF::NT_GNU_BUILD_ID &&
-          N.getName() == ELF::ELF_NOTE_GNU)
-        return N.getDesc(P.p_align);
-    consumeError(std::move(Err));
+    if (std::optional<BuildIDRef> PhdrRes = findBuildID(P, P.p_align))
+      return PhdrRes.value();
   }
   return {};
 }