1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp b/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp
index de460d03e6b..414de7be91f 100644
--- a/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp
@@ -85,6 +85,11 @@ uint32_t PDBFile::getNumStreams() const {
   return ContainerLayout.StreamSizes.size();
 }
 
+uint32_t PDBFile::getMaxStreamSize() const {
+  return *std::max_element(ContainerLayout.StreamSizes.begin(),
+                           ContainerLayout.StreamSizes.end());
+}
+
 uint32_t PDBFile::getStreamByteSize(uint32_t StreamIndex) const {
   return ContainerLayout.StreamSizes[StreamIndex];
 }
@@ -229,6 +234,13 @@ ArrayRef<support::ulittle32_t> PDBFile::getDirectoryBlockArray() const {
   return ContainerLayout.DirectoryBlocks;
 }
 
+std::unique_ptr<MappedBlockStream> PDBFile::createIndexedStream(uint16_t SN) {
+  if (SN == kInvalidStreamIndex)
+    return nullptr;
+  return MappedBlockStream::createIndexedStream(ContainerLayout, *Buffer, SN,
+                                                Allocator);
+}
+
 MSFStreamLayout PDBFile::getStreamLayout(uint32_t StreamIdx) const {
   MSFStreamLayout Result;
   auto Blocks = getStreamBlockList(StreamIdx);