diff --git a/mono/.gitignore b/mono/.gitignore
index 7480739fc55e6..f7903956ce763 100644
--- a/mono/.gitignore
+++ b/mono/.gitignore
@@ -4,3 +4,8 @@
 /semantic.cache
 /TAGS
 /.metadata
+
+# Global patterns
+.gdb_history
+xdb.il
+*.[oa]
diff --git a/mono/metadata/.gitignore b/mono/metadata/.gitignore
index 9a5c6cdea1c72..c718edda572f3 100644
--- a/mono/metadata/.gitignore
+++ b/mono/metadata/.gitignore
@@ -8,6 +8,7 @@
 /*.lo
 /*.la
 /*.o
+/*.a
 /semantic.cache
 /.project
 /.cproject
diff --git a/mono/profiler/.gitignore b/mono/profiler/.gitignore
index 63c9b9cdb698f..1cf3e88cc67d5 100644
--- a/mono/profiler/.gitignore
+++ b/mono/profiler/.gitignore
@@ -6,4 +6,8 @@
 /*.o
 /*.lo
 /*.la
+/*.a
+/*.so
+/*.exe
+/*.mdb
 /TAGS
diff --git a/mono/utils/.gitignore b/mono/utils/.gitignore
index 38cc368dc285a..46a264a5aa3b4 100644
--- a/mono/utils/.gitignore
+++ b/mono/utils/.gitignore
@@ -5,4 +5,5 @@
 /*.la
 /*.lo
 /*.o
+/*.a
 /TAGS