[pdb] Support CoffSymbolRVA debug subsection.

llvm-svn: 305108

1 files changed, 31 insertions, 0 deletions

diff --git a/llvm/lib/DebugInfo/CodeView/DebugSymbolRVASubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugSymbolRVASubsection.cpp
new file mode 100644
index 0000000..5f91b68
--- /dev/null
+++ b/llvm/lib/DebugInfo/CodeView/DebugSymbolRVASubsection.cpp
@@ -0,0 +1,31 @@
+//===- DebugSymbolRVASubsection.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/DebugSymbolRVASubsection.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+DebugSymbolRVASubsectionRef::DebugSymbolRVASubsectionRef()
+    : DebugSubsectionRef(DebugSubsectionKind::CoffSymbolRVA) {}
+
+Error DebugSymbolRVASubsectionRef::initialize(BinaryStreamReader &Reader) {
+  return Reader.readArray(RVAs, Reader.bytesRemaining() / sizeof(uint32_t));
+}
+
+DebugSymbolRVASubsection::DebugSymbolRVASubsection()
+    : DebugSubsection(DebugSubsectionKind::CoffSymbolRVA) {}
+
+Error DebugSymbolRVASubsection::commit(BinaryStreamWriter &Writer) const {
+  return Writer.writeArray(makeArrayRef(RVAs));
+}
+
+uint32_t DebugSymbolRVASubsection::calculateSerializedSize() const {
+  return RVAs.size() * sizeof(uint32_t);
+}