gxti-elf-size-decoding

https://github.com/mtharp/laureline-firmware/raw/master/util/elf_usage.py

Example output:

elf_usage.py adc-dac-printf.elf 
addr     symbol
20000000 rcc_ppre1_frequency
20000004 rcc_ppre2_frequency
20000008 impure_data
20000430 _impure_ptr
20000434 lconv
2000046c lc_ctype_charset
2000048c __mb_cur_max
20000490 __malloc_av_
20000898 __malloc_trim_threshold
2000089c __malloc_sbrk_base
200008a0 __wctomb
200008a4 _edata
200008a8 __malloc_max_sbrked_mem
200008ac __malloc_top_pad
200008b0 __malloc_current_mallinfo
200008d8 heap_end.4058
200008dc errno
200008e0 end
20002000 _stack

size     symbol
       4 __malloc_trim_threshold
       4 __malloc_max_total_mem
       4 _impure_ptr
       4 __mb_cur_max
       4 heap_end.4058
       4 rcc_ppre1_frequency
       4 __malloc_top_pad
       4 __wctomb
       4 errno
       4 __malloc_max_sbrked_mem
       4 __malloc_sbrk_base
       4 rcc_ppre2_frequency
      32 lc_ctype_charset
      40 __malloc_current_mallinfo
      56 lconv
    1032 __malloc_av_
    1064 impure_data

total RAM: 2272