diff --git a/.gitmodules b/.gitmodules
index baa0c33542d..c3c22566c8f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,7 @@
 	path = riscv-newlib
 	url = git://github.com/sifive/riscv-newlib.git
 	branch = sifive-newlib-3.0.0
+[submodule "riscv-gdb"]
+	path = riscv-gdb
+	url = git://sourceware.org/git/binutils-gdb.git
+	branch = master
diff --git a/riscv-gdb b/riscv-gdb
new file mode 160000
index 00000000000..ebb8004a18a
--- /dev/null
+++ b/riscv-gdb
@@ -0,0 +1 @@
+Subproject commit ebb8004a18a3808d7197762faf3c5aaeae82371f