v4.19.13 snapshot.
diff --git a/scripts/gdb/linux/Makefile b/scripts/gdb/linux/Makefile
new file mode 100644
index 0000000..aba23be
--- /dev/null
+++ b/scripts/gdb/linux/Makefile
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: GPL-2.0
+always := gdb-scripts
+
+SRCTREE := $(abspath $(srctree))
+
+$(obj)/gdb-scripts:
+ifneq ($(KBUILD_SRC),)
+ $(Q)ln -fsn $(SRCTREE)/$(obj)/*.py $(objtree)/$(obj)
+endif
+ @:
+
+quiet_cmd_gen_constants_py = GEN $@
+ cmd_gen_constants_py = \
+ $(CPP) -E -x c -P $(c_flags) $< > $@ ;\
+ sed -i '1,/<!-- end-c-headers -->/d;' $@
+
+targets += constants.py
+$(obj)/constants.py: $(SRCTREE)/$(obj)/constants.py.in FORCE
+ $(call if_changed_dep,gen_constants_py)
+
+build_constants_py: $(obj)/constants.py
+ @:
+
+clean-files := *.pyc *.pyo $(if $(KBUILD_SRC),*.py) $(obj)/constants.py