elf_list_load_segments.py

import sys
from elftools.elf.elffile import ELFFile

PAGE_SIZE = 0x1000

if __name__ == '__main__':
    flags2str = ['---', '--x', '-w-', '-wx', 'r--', 'r-x', 'rw-', 'rwx']

    if len(sys.argv) != 2:
        sys.exit(1)

    with open(sys.argv[1], 'rb') as file:
        file = ELFFile(file)

        print('{:<5} {:<18} {:<18}'.format('Flags', 'Start', 'End'))

        for seg in file.iter_segments():
            if seg['p_type'] != 'PT_LOAD':
                continue

            flags = flags2str[seg['p_flags']]

            start = seg['p_offset'] & ~(PAGE_SIZE - 1)
            end = start + (seg['p_filesz'] + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)

            print('{:<5} 0x{:0>16x} 0x{:0>16x}'.format(flags, start, end))