diff --git a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/IBinaryParser.java b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/IBinaryParser.java
index 3f7e3a78898..783b54f5d68 100644
--- a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/IBinaryParser.java
+++ b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/IBinaryParser.java
@@ -86,6 +86,7 @@ public interface IBinaryParser {
 		int getEndLine();
 		IPath getFilename();
 		int getType();
+		int getLineNumber(long offset);
 	}
 
 	IBinaryFile getBinary(IPath path) throws IOException;