vendor/llvm/llvm-trunk-r300422

1 files changed, 42 insertions, 0 deletions

diff --git a/lib/DebugInfo/PDB/Native/GlobalsStream.cpp b/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
new file mode 100644
index 000000000000..a2ee0f047c58
--- /dev/null
+++ b/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
@@ -0,0 +1,42 @@
+//===- GlobalsStream.cpp - PDB Index of Symbols by Name ---- ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
+#include "GSI.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/Error.h"
+#include <algorithm>
+
+using namespace llvm;
+using namespace llvm::msf;
+using namespace llvm::pdb;
+
+GlobalsStream::GlobalsStream(std::unique_ptr<MappedBlockStream> Stream)
+    : Stream(std::move(Stream)) {}
+
+GlobalsStream::~GlobalsStream() = default;
+
+Error GlobalsStream::reload() {
+  BinaryStreamReader Reader(*Stream);
+
+  const GSIHashHeader *HashHdr;
+  if (auto EC = readGSIHashHeader(HashHdr, Reader))
+    return EC;
+
+  if (auto EC = readGSIHashRecords(HashRecords, HashHdr, Reader))
+    return EC;
+
+  if (auto EC = readGSIHashBuckets(HashBuckets, HashHdr, Reader))
+    return EC;
+  NumBuckets = HashBuckets.size();
+
+  return Error::success();
+}
+
+Error GlobalsStream::commit() { return Error::success(); }