diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5a99119ef6..7a372b30ff 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,7 @@
 2004-02-22  Mark Kettenis  <kettenis@gnu.org>
 
+	* x86-64-tdep.h (amd64obsd_r_reg_offset): New extern declaration.
+
 	* amd64fbsd-tdep.c: Include "solib-svr4.h".
 	(amd64fbsd_init_abi): Set link map offsets.
 	* amd64nbsd-tdep.c: Include "slib-svr4.h".
diff --git a/gdb/x86-64-tdep.h b/gdb/x86-64-tdep.h
index 4aa0e7faf9..8c8e76e9b7 100644
--- a/gdb/x86-64-tdep.h
+++ b/gdb/x86-64-tdep.h
@@ -66,6 +66,9 @@ void x86_64_fill_fxsave (char *fxsave, int regnum);
 /* Variables exported from amd64nbsd-tdep.c.  */
 extern int amd64nbsd_r_reg_offset[];
 
+/* Variables exported from amd64obsd-tdep.c.  */
+extern int amd64obsd_r_reg_offset[];
+
 /* Variables exported from amd64fbsd-tdep.c.  */
 extern CORE_ADDR amd64fbsd_sigtramp_start;
 extern CORE_ADDR amd64fbsd_sigtramp_end;