1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/lib/Object/Minidump.cpp b/llvm/lib/Object/Minidump.cpp
index 1a22491ce3c..4b1abe52994 100644
--- a/llvm/lib/Object/Minidump.cpp
+++ b/llvm/lib/Object/Minidump.cpp
@@ -53,6 +53,27 @@ Expected<std::string> MinidumpFile::getString(size_t Offset) const {
   return Result;
 }
 
+Expected<ArrayRef<Module>> MinidumpFile::getModuleList() const {
+  auto OptionalStream = getRawStream(StreamType::ModuleList);
+  if (!OptionalStream)
+    return createError("No such stream");
+  auto ExpectedSize =
+      getDataSliceAs<support::ulittle32_t>(*OptionalStream, 0, 1);
+  if (!ExpectedSize)
+    return ExpectedSize.takeError();
+
+  size_t ListSize = ExpectedSize.get()[0];
+
+  size_t ListOffset = 4;
+  // Some producers insert additional padding bytes to align the module list to
+  // 8-byte boundary. Check for that by comparing the module list size with the
+  // overall stream size.
+  if (ListOffset + sizeof(Module) * ListSize < OptionalStream->size())
+    ListOffset = 8;
+
+  return getDataSliceAs<Module>(*OptionalStream, ListOffset, ListSize);
+}
+
 Expected<ArrayRef<uint8_t>>
 MinidumpFile::getDataSlice(ArrayRef<uint8_t> Data, size_t Offset, size_t Size) {
   // Check for overflow.