From ee2f195dd3e40f49698ca4dc2666ec09c770e80d Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 30 May 2017 17:37:31 +0000
Subject: Vendor import of llvm trunk r304222:
 https://llvm.org/svn/llvm-project/llvm/trunk@304222

---
 .../CodeView/DebugFrameDataSubsection.cpp          | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 lib/DebugInfo/CodeView/DebugFrameDataSubsection.cpp

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

diff --git a/lib/DebugInfo/CodeView/DebugFrameDataSubsection.cpp b/lib/DebugInfo/CodeView/DebugFrameDataSubsection.cpp
new file mode 100644
index 0000000000000..fd558aa9cc8a5
--- /dev/null
+++ b/lib/DebugInfo/CodeView/DebugFrameDataSubsection.cpp
@@ -0,0 +1,44 @@
+//===- DebugFrameDataSubsection.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/DebugFrameDataSubsection.h"
+#include "llvm/DebugInfo/CodeView/CodeViewError.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+Error DebugFrameDataSubsectionRef::initialize(BinaryStreamReader Reader) {
+  if (auto EC = Reader.readObject(RelocPtr))
+    return EC;
+  if (Reader.bytesRemaining() % sizeof(FrameData) != 0)
+    return make_error<CodeViewError>(cv_error_code::corrupt_record,
+                                     "Invalid frame data record format!");
+
+  uint32_t Count = Reader.bytesRemaining() / sizeof(FrameData);
+  if (auto EC = Reader.readArray(Frames, Count))
+    return EC;
+  return Error::success();
+}
+
+uint32_t DebugFrameDataSubsection::calculateSerializedSize() const {
+  return 4 + sizeof(FrameData) * Frames.size();
+}
+
+Error DebugFrameDataSubsection::commit(BinaryStreamWriter &Writer) const {
+  if (auto EC = Writer.writeInteger<uint32_t>(0))
+    return EC;
+
+  if (auto EC = Writer.writeArray(makeArrayRef(Frames)))
+    return EC;
+  return Error::success();
+}
+
+void DebugFrameDataSubsection::addFrameData(const FrameData &Frame) {
+  Frames.push_back(Frame);
+}
-- 
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