def testEmbedDataNoSym(self):
"""Test for GetSymbolFileOffset() getting no symbols"""
if not elf.ELF_TOOLS:
self.skipTest('Python elftools not available')
fname = self.ElfTestFile('embed_data')
offset = elf.GetSymbolFileOffset(fname, ['missing_sym'])
self.assertEqual({}, offset)
def testEmbedFail(self):
"""Test calling GetSymbolFileOffset() without elftools"""
try:
old_val = elf.ELF_TOOLS
elf.ELF_TOOLS = False
fname = self.ElfTestFile('embed_data')
with self.assertRaises(ValueError) as e:
elf.GetSymbolFileOffset(fname, ['embed_start', 'embed_end'])
self.assertIn("Python: No module named 'elftools'",
str(e.exception))
finally:
elf.ELF_TOOLS = old_val
def testEmbedData(self):
"""Test for the GetSymbolFileOffset() function"""
if not elf.ELF_TOOLS:
self.skipTest('Python elftools not available')
fname = self.ElfTestFile('embed_data')
offset = elf.GetSymbolFileOffset(fname, ['embed_start', 'embed_end'])
start = offset['embed_start'].offset
end = offset['embed_end'].offset
data = tools.read_file(fname)
embed_data = data[start:end]
expect = struct.pack('<III', 0x1234, 0x5678, 0)
self.assertEqual(expect, embed_data)
def show_event_spy_list(fname, endian):
"""Show a the event-spy- list from a U-Boot image
Args:
fname (str): Filename of ELF file
endian (str): Endianness to use ('little', 'big', 'auto')
"""
syms = elf.GetSymbolFileOffset(fname, [PREFIX])
data = tools.read_file(fname)
print('%-20s %-30s %s' % ('Event type', 'Id', 'Source location'))
print('%-20s %-30s %s' % ('-' * 20, '-' * 30, '-' * 30))
for name, sym in syms.items():
m_evtype = RE_EVTYPE.search(name)
evtype = m_evtype.group(1)
show_sym(fname, data, endian, evtype, sym)