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-rw-r--r--Makefile.rules3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile.rules b/Makefile.rules
index 200abcb4..3014c819 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -51,3 +51,6 @@ endef
%.lds : %.lds.S
$(call Q,CC, $(CC) $(CPPFLAGS) -P -E $< -o $@, $@)
+
+%.map: %.elf
+ $(call Q,NM, $(NM) -n $< | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $@, $@)
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