From 01095a5d43bbfde13731688ddcf6048ebb8b7721 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 23 Jul 2016 20:41:05 +0000
Subject: Vendor import of llvm release_39 branch r276489:
 https://llvm.org/svn/llvm-project/llvm/branches/release_39@276489

---
 lib/DebugInfo/CodeView/ModuleSubstream.cpp | 42 ++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 lib/DebugInfo/CodeView/ModuleSubstream.cpp

(limited to 'lib/DebugInfo/CodeView/ModuleSubstream.cpp')

diff --git a/lib/DebugInfo/CodeView/ModuleSubstream.cpp b/lib/DebugInfo/CodeView/ModuleSubstream.cpp
new file mode 100644
index 000000000000..2e31ed6b5b7f
--- /dev/null
+++ b/lib/DebugInfo/CodeView/ModuleSubstream.cpp
@@ -0,0 +1,42 @@
+//===- ModuleSubstream.cpp --------------------------------------*- 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/CodeView/ModuleSubstream.h"
+
+#include "llvm/DebugInfo/CodeView/StreamReader.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+ModuleSubstream::ModuleSubstream() : Kind(ModuleSubstreamKind::None) {}
+
+ModuleSubstream::ModuleSubstream(ModuleSubstreamKind Kind, StreamRef Data)
+    : Kind(Kind), Data(Data) {}
+
+Error ModuleSubstream::initialize(StreamRef Stream, ModuleSubstream &Info) {
+  const ModuleSubsectionHeader *Header;
+  StreamReader Reader(Stream);
+  if (auto EC = Reader.readObject(Header))
+    return EC;
+
+  ModuleSubstreamKind Kind =
+      static_cast<ModuleSubstreamKind>(uint32_t(Header->Kind));
+  if (auto EC = Reader.readStreamRef(Info.Data, Header->Length))
+    return EC;
+  Info.Kind = Kind;
+  return Error::success();
+}
+
+uint32_t ModuleSubstream::getRecordLength() const {
+  return sizeof(ModuleSubsectionHeader) + Data.getLength();
+}
+
+ModuleSubstreamKind ModuleSubstream::getSubstreamKind() const { return Kind; }
+
+StreamRef ModuleSubstream::getRecordData() const { return Data; }
-- 
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