diff --git a/gcc/dbxstclass.h b/gcc/dbxstclass.h
new file mode 100644
index 00000000000..2d003fed3bb
--- /dev/null
+++ b/gcc/dbxstclass.h
@@ -0,0 +1,17 @@
+/* Storage classes in XCOFF object file format designed for DBX's use.
+   This info is from the `Files Reference' manual for IBM's AIX version 3
+   for the RS6000.  */
+
+#define C_GSYM		0x80
+#define C_LSYM		0x81
+#define C_PSYM		0x82
+#define C_RSYM		0x83
+#define C_RPSYM		0x84
+#define C_STSYM		0x85
+
+#define C_BCOMM		0x87
+#define C_ECOML		0x88
+#define C_ECOMM		0x89
+#define C_DECL		0x8c
+#define C_ENTRY		0x8d
+#define C_FUN		0x8e