Dump out the largest symbols in flash and in RAM. (#17397)

1 files changed, 13 insertions, 0 deletions

diff --git a/builddefs/build_keyboard.mk b/builddefs/build_keyboard.mk
index a258f33216..2b9ec48e70 100644
--- a/builddefs/build_keyboard.mk
+++ b/builddefs/build_keyboard.mk
@@ -471,6 +471,19 @@ check-size: build
 check-md5: build
 objs-size: build
 
+ifeq ($(strip $(TOP_SYMBOLS)),yes)
+all: top-symbols
+check-size: top-symbols
+top-symbols: build
+        echo "###########################################"
+        echo "# Highest flash usage:"
+        $(NM) -Crtd --size-sort $(BUILD_DIR)/$(TARGET).elf | grep -i ' [t] ' | head -n10 | sed -e 's#^0000000#       #g' -e 's#^000000#      #g' -e 's#^00000#     #g' -e 's#^0000#    #g' -e 's#^000#   #g' -e 's#^00#  #g' -e 's#^0# #g'
+        echo "###########################################"
+        echo "# Highest RAM usage:"
+        $(NM) -Crtd --size-sort $(BUILD_DIR)/$(TARGET).elf | grep -i ' [dbv] ' | head -n10 | sed -e 's#^0000000#       #g' -e 's#^000000#      #g' -e 's#^00000#     #g' -e 's#^0000#    #g' -e 's#^000#   #g' -e 's#^00#  #g' -e 's#^0# #g'
+        echo "###########################################"
+endif
+
 include $(BUILDDEFS_PATH)/show_options.mk
 include $(BUILDDEFS_PATH)/common_rules.mk