Object File Size Analyzer

A collection of tools for analyzing ELF binaries and object files, including section sizes, symbol comparisons, compression potential, and stack unwinding data overhead.

These tools are used in the blog post: Stack walking: space and time trade-offs

Tools

• compare_symbols.rb - Analyzes and compares function symbols between two executable files, showing size differences for functions above a specified threshold
• eh_size.rb - Extracts and analyzes section sizes (.eh_frame, .eh_frame_hdr, .sframe) from ELF files using readelf
• scan_eh_frame.rb - Analyzes .eh_frame section size distribution across system binaries using bloaty to measure VM size ratios
• section_size.rb - Analyzes executable file sections using readelf to extract and analyze section sizes with formatted output tables
• shdr.rb - Analyzes section header table compression potential in object files using zstd and xz compression