diff --git a/arch/lib/Makefile b/arch/lib/Makefile
index 40749982c3df..a205a62e4540 100644
--- a/arch/lib/Makefile
+++ b/arch/lib/Makefile
@@ -169,9 +169,19 @@ KERNEL_BUILTIN=$(addprefix $(srctree)/,$(addsuffix builtin.o,$(dirs)))
 OBJS=$(LIB_OBJ) $(foreach builtin,$(KERNEL_BUILTIN),$(if $($(builtin)),$($(builtin))))
 export OBJS KERNEL_LIB COV covl_yes covl_no
 
+# objcopy trick is taken from rumpkernel
+EXP_SYMRENAME=rump|RUMP|lib_|g_imported|g_kernel|__initcall_start|__initcall_end|_GLOBAL_OFFSET_TABLE'${_SYMQUIRK}'${RUMP_SYM_NORENAME:D|${RUMP_SYM_NORENAME}}
+
 quiet_cmd_cc = CC      $@
       cmd_cc = 	mkdir -p $(dir $@);	\
-		$(CC) $(CFLAGS) -c $< -o $@
+		$(CC) $(CFLAGS) -c $< -o $@; \
+		${NM} -go $@ | awk ' \
+		$$NF!~/^'${_PQ}'(${EXP_SYMRENAME})/ \
+		{s=$$NF;sub(/^'${_PQ}'/, "&rumpns_", s); print $$NF, s}'\
+		| sort | uniq  > $@.renametab; \
+		objcopy --preserve-dates --redefine-syms $@.renametab $@; \
+		rm -f $@.renametab
+
 quiet_cmd_linkko = KO   $@
       cmd_linkko = $(CC) -shared -o $@ -nostdlib $^
 quiet_cmd_builtin = BUILTIN   $@