DDR: allow ddr-scanner to handle exe/dll files

If filename does not end with '.pdb', assume the file is an exe/dll file

Signed-off-by: Devin Nakamura <devinn@ca.ibm.com>

Author: dnakamura

ddr/include/ddr/scanner/pdb/PdbScanner.hpp

@@ -83,7 +83,7 @@ class PdbScanner : public Scanner
 	DDR_RC createClassUDT(IDiaSymbol *symbol, ClassUDT **newClass, NamespaceUDT *outerUDT);
 	DDR_RC createEnumUDT(IDiaSymbol *symbol, NamespaceUDT *outerUDT);
 	DDR_RC createTypedef(IDiaSymbol *symbol, NamespaceUDT *outerUDT);
-	DDR_RC loadDataFromPdb(const wchar_t *filename, IDiaDataSource **diaDataSource, IDiaSession **diaSession, IDiaSymbol **diaSymbol);
+	DDR_RC loadDataFromBinary(const wchar_t *filename, IDiaDataSource **diaDataSource, IDiaSession **diaSession, IDiaSymbol **diaSymbol);
 	DDR_RC setSuperClassName(IDiaSymbol *symbol, ClassUDT *newUDT);
 	void getNamespaceFromName(const string &name, NamespaceUDT **outerUDT);
 	static DDR_RC getName(IDiaSymbol *symbol, string *name);

ddr/lib/ddr-scanner/pdb/PdbScanner.cpp

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2015, 2018 IBM Corp. and others
+ * Copyright (c) 2015, 2019 IBM Corp. and others
  *
  * This program and the accompanying materials are made available under
  * the terms of the Eclipse Public License 2.0 which accompanies this
@@ -143,7 +143,7 @@ PdbScanner::startScan(OMRPortLibrary *portLibrary, Symbol_IR *ir, vector<string>
 			const size_t len = file.length();
 			wchar_t *filename = new wchar_t[len + 1];
 			mbstowcs(filename, file.c_str(), len + 1);
-			rc = loadDataFromPdb(filename, &diaDataSource, &diaSession, &diaSymbol);
+			rc = loadDataFromBinary(filename, &diaDataSource, &diaSession, &diaSymbol);
 
 			if (DDR_RC_OK == rc) {
 				rc = addChildrenSymbols(diaSymbol, SymTagUDT, NULL);
@@ -189,9 +189,18 @@ PdbScanner::startScan(OMRPortLibrary *portLibrary, Symbol_IR *ir, vector<string>
 }
 
 DDR_RC
-PdbScanner::loadDataFromPdb(const wchar_t *filename, IDiaDataSource **dataSource, IDiaSession **session, IDiaSymbol **symbol)
+PdbScanner::loadDataFromBinary(const wchar_t *filename, IDiaDataSource **dataSource, IDiaSession **session, IDiaSymbol **symbol)
 {
 	DDR_RC rc = DDR_RC_OK;
+	bool isPDBFile = false;
+	/*  get location of the file extension */
+	const wchar_t *fileExtension = wcsrchr(filename, L'.');
+
+	/* check if file extension is '.pdb' */
+	if ((NULL!= fileExtension) && (0 == wcscmp(fileExtension, L".pdb"))){
+		isPDBFile = true;
+	}
+
 	/* Attemt to co-create the DiaSource instance. On failure to find the required
 	 * dll, instead attempt to find and load the dll first.
 	 */
@@ -231,9 +240,13 @@ PdbScanner::loadDataFromPdb(const wchar_t *filename, IDiaDataSource **dataSource
 	}
 
 	if (DDR_RC_OK == rc) {
-		hr = (*dataSource)->loadDataFromPdb(filename);
+		if(isPDBFile){
+			hr = (*dataSource)->loadDataFromPdb(filename);
+		} else {
+			hr = (*dataSource)->loadDataForExe(filename, NULL, NULL);
+		}
 		if (FAILED(hr)) {
-			ERRMSG("loadDataFromPdb() failed for file with HRESULT = %08lX. Ensure the input is a pdb and not an exe.\nFile: %ls", hr, filename);
+			ERRMSG("loadDataFromPdb() failed for file with HRESULT = %08lX.\nFile: %ls", hr, filename);
 			rc = DDR_RC_ERROR;
 		}
 	}