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A fork of https://github.com/crosspoint-reader/crosspoint-reader
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1.4 kB · 42 lines
Shell
at master
123456789101112131415161718192021222324252627282930313233343536373839404142#!/bin/bash
ELF_FILE=".pio/build/default/firmware.elf"
list_top_symbols() { local section_pattern="$1" local section_name="$2" local num_symbols=$3 # objdump -t format: address flags section size name # Filter by section, extract size and name, calculate total local data=$(objdump -t "$ELF_FILE" | \ awk -v pattern="$section_pattern" '$4 ~ pattern { print $5, $6 }' | \ while read hex name; do dec=$((16#$hex)) echo "$dec $hex $name" done | \ sort -k1 -r -n) local total=$(echo "$data" | awk '{ sum += $1 } END { print sum }') local total_kb=$(echo "$total" | awk '{ printf "%.2f", $1 / 1024 }') echo "============================================" echo "Top $num_symbols largest symbols in section: $section_name" echo "Total section size: $total bytes ($total_kb KB)" echo "============================================" echo "$data" | \ head -$num_symbols | \ awk '{ size_kb = $1 / 1024 printf " %10s (%7.2f KB) %s\n", $2, size_kb, $3 }' echo ""}
list_top_symbols "\\.dram0\\.bss" ".dram0.bss" 10list_top_symbols "\\.dram0\\.data" ".dram0.data" 10list_top_symbols "\\.flash\\.rodata" ".flash.rodata" 200list_top_symbols "\\.flash\\.text" ".flash.text" 40list_top_symbols "\\.iram0\\.text" ".iram0.text" 10