Subversion Repositories c0or1k

#!/usr/bin/env python

import elf

# Calculate the size of loadable sections of elf binary

def elf_binary_size(img):

    elffile = elf.ElfFile.from_file(img)

    paddr_first = 0

    paddr_start = 0

    paddr_end = 0

    for pheader in elffile.pheaders:

        x = pheader.ai

        if str(x.p_type) != "LOAD":

            continue

        if paddr_first == 0:

            paddr_first = 1

            paddr_start = x.p_paddr.value

        if paddr_start > x.p_paddr.value:

            paddr_start = x.p_paddr.value

        if paddr_end < x.p_paddr + x.p_memsz:

            paddr_end = x.p_paddr + x.p_memsz

    return paddr_end - paddr_start