[DebugInfoPDB] Add DIA implementations of findSymbolByRVA and findSymbolByAddr

llvm-svn: 329724
diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIASession.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIASession.cpp
index afbfdeab..d81f594 100644
--- a/llvm/lib/DebugInfo/PDB/DIA/DIASession.cpp
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIASession.cpp
@@ -106,7 +106,7 @@
   if (!llvm::convertUTF8ToUTF16String(Path, Path16))
     return make_error<GenericError>(generic_error_code::invalid_path);
 
-  const wchar_t *Path16Str = reinterpret_cast<const wchar_t*>(Path16.data());
+  const wchar_t *Path16Str = reinterpret_cast<const wchar_t *>(Path16.data());
   HRESULT HR;
   if (FAILED(HR = DiaDataSource->loadDataFromPdb(Path16Str))) {
     return ErrorFromHResult(HR, "Calling loadDataFromPdb {0}", Path);
@@ -214,6 +214,31 @@
   return PDBSymbol::create(*this, std::move(RawSymbol));
 }
 
+std::unique_ptr<PDBSymbol> DIASession::findSymbolByRVA(uint32_t RVA,
+                                                       PDB_SymType Type) const {
+  enum SymTagEnum EnumVal = static_cast<enum SymTagEnum>(Type);
+
+  CComPtr<IDiaSymbol> Symbol;
+  if (S_OK != Session->findSymbolByRVA(RVA, EnumVal, &Symbol))
+    return nullptr;
+
+  auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, Symbol);
+  return PDBSymbol::create(*this, std::move(RawSymbol));
+}
+
+std::unique_ptr<PDBSymbol>
+DIASession::findSymbolBySectOffset(uint32_t Sect, uint32_t Offset,
+                                   PDB_SymType Type) const {
+  enum SymTagEnum EnumVal = static_cast<enum SymTagEnum>(Type);
+
+  CComPtr<IDiaSymbol> Symbol;
+  if (S_OK != Session->findSymbolByAddr(Sect, Offset, EnumVal, &Symbol))
+    return nullptr;
+
+  auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, Symbol);
+  return PDBSymbol::create(*this, std::move(RawSymbol));
+}
+
 std::unique_ptr<IPDBEnumLineNumbers>
 DIASession::findLineNumbers(const PDBSymbolCompiland &Compiland,
                             const IPDBSourceFile &File) const {
@@ -222,9 +247,8 @@
   const DIASourceFile &RawFile = static_cast<const DIASourceFile &>(File);
 
   CComPtr<IDiaEnumLineNumbers> LineNumbers;
-  if (S_OK !=
-      Session->findLines(RawCompiland.getDiaSymbol(), RawFile.getDiaFile(),
-                         &LineNumbers))
+  if (S_OK != Session->findLines(RawCompiland.getDiaSymbol(),
+                                 RawFile.getDiaFile(), &LineNumbers))
     return nullptr;
 
   return llvm::make_unique<DIAEnumLineNumbers>(LineNumbers);
@@ -359,9 +383,7 @@
   return llvm::make_unique<DIAEnumTables>(DiaEnumerator);
 }
 
-template <class T>
-static CComPtr<T>
-getTableEnumerator(IDiaSession &Session) {
+template <class T> static CComPtr<T> getTableEnumerator(IDiaSession &Session) {
   CComPtr<T> Enumerator;
   CComPtr<IDiaEnumTables> ET;
   CComPtr<IDiaTable> Table;
@@ -372,8 +394,7 @@
 
   while (ET->Next(1, &Table, &Count) == S_OK && Count == 1) {
     // There is only one table that matches the given iid
-    if (S_OK ==
-        Table->QueryInterface(__uuidof(T), (void **)&Enumerator))
+    if (S_OK == Table->QueryInterface(__uuidof(T), (void **)&Enumerator))
       break;
     Table.Release();
   }
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp
index 37b1a91..086da13 100644
--- a/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp
@@ -200,6 +200,17 @@
   return nullptr;
 }
 
+std::unique_ptr<PDBSymbol>
+NativeSession::findSymbolByRVA(uint32_t RVA, PDB_SymType Type) const {
+  return nullptr;
+}
+
+std::unique_ptr<PDBSymbol>
+NativeSession::findSymbolBySectOffset(uint32_t Sect, uint32_t Offset,
+                                      PDB_SymType Type) const {
+  return nullptr;
+}
+
 std::unique_ptr<IPDBEnumLineNumbers>
 NativeSession::findLineNumbers(const PDBSymbolCompiland &Compiland,
                                const IPDBSourceFile &File) const {