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import os
from io import BytesIO
import sys
import unittest
from elftools.elf.elffile import ELFFile
from elftools.elf.dynamic import DynamicSegment, DynamicSection
class TestRelocation(unittest.TestCase):
def test_dynamic_segment(self):
"""Verify that we can process relocations on the PT_DYNAMIC segment without section headers"""
test_dir = os.path.join('test', 'testfiles_for_unittests')
with open(os.path.join(test_dir, 'x64_bad_sections.elf'), 'rb') as f:
elff = ELFFile(f)
for seg in elff.iter_segments():
if isinstance(seg, DynamicSegment):
relos = seg.get_relocation_tables()
self.assertEqual(set(relos), {'JMPREL', 'RELA'})
def test_dynamic_section(self):
"""Verify that we can parse relocations from the .dynamic section"""
test_dir = os.path.join('test', 'testfiles_for_unittests')
with open(os.path.join(test_dir, 'sample_exe64.elf'), 'rb') as f:
elff = ELFFile(f)
for sect in elff.iter_sections():
if isinstance(sect, DynamicSection):
relos = sect.get_relocation_tables()
self.assertEqual(set(relos), {'JMPREL', 'RELA'})
def test_dynamic_section_solaris(self):
"""Verify that we can parse relocations from the .dynamic section"""
test_dir = os.path.join('test', 'testfiles_for_unittests')
with open(os.path.join(test_dir, 'exe_solaris32_cc.elf'), 'rb') as f:
elff = ELFFile(f)
for sect in elff.iter_sections():
if isinstance(sect, DynamicSection):
relos = sect.get_relocation_tables()
self.assertEqual(set(relos), {'JMPREL', 'REL'})
if __name__ == '__main__':
unittest.main()
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