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2026-04-25 09:44:02 +02:00

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Python

#!/usr/bin/env python
"""Dump an ELF binary as JSON.
Parses an ELF file and writes a pretty-printed JSON dump of the full
structure (header, sections, segments, dynamic entries, symbols, ...)
using ``lief.to_json``.
Example:
$ python elf_json.py /bin/ls
"""
import argparse
import json
import sys
import lief
def main() -> int:
parser = argparse.ArgumentParser(description=__doc__.splitlines()[0])
parser.add_argument("binary", help="Path to an ELF binary")
args = parser.parse_args()
binary = lief.ELF.parse(args.binary)
if binary is None:
print(f"Error: failed to parse '{args.binary}' as ELF", file=sys.stderr)
return 1
json_data = json.loads(lief.to_json(binary))
print(json.dumps(json_data, sort_keys=True, indent=4))
return 0
if __name__ == "__main__":
sys.exit(main())