This script is based on size_report from Zephyr Project scripts. It has been almost fully rewritten but the idea is the same. It uses binutils programs (readelf, nm, c++filt) to extract information about symbols and sections from an ELF file and filters them. Information is presented in a tree based on paths to files where the symbols have been defined.
- Python 3
- binutils: readelf, nm, c++filt (optional)
For normal usage it's best to install from PyPI:
pip install elf-size-analyze
For development it's recommended to install from sources in virtual environment in editable mode:
python -m venv venv
source ./venv/bin/activate
git clone https://github.com/jedrzejboczar/elf-size-analyze.git
pip install -e ./elf-size-analyze
Select the ELF file to be analyzed. To be able to extract path information about symbols from the ELF file, the program should be compiled with debug information (gcc -g).
If installed using pip then the package provides an entry point and you can just use the elf-size-analyze command.
Otherwise use python -m elf_size_analyze from the source directory.
Example usage:
elf-size-analyze -t arm-none-eabi- -w 120 -HaF build/myapp
For more options see help:
elf-size-analyze -h
For HTML output:
elf-size-analyze -t arm-none-eabi- -w 120 -HaF build/myapp -W > /tmp/index.html
firefox /tmp/index.html # or other browser / xdg-open