mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
f55382b5e5
We now pass a Section object to these functions rather than an Image. Rename the parameters to avoid confusion. Signed-off-by: Simon Glass <sjg@chromium.org>
120 lines
3.9 KiB
Python
120 lines
3.9 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
|
|
# Copyright (c) 2017 Google, Inc
|
|
# Written by Simon Glass <sjg@chromium.org>
|
|
#
|
|
# Test for the elf module
|
|
|
|
from contextlib import contextmanager
|
|
import os
|
|
import sys
|
|
import unittest
|
|
|
|
try:
|
|
from StringIO import StringIO
|
|
except ImportError:
|
|
from io import StringIO
|
|
|
|
import elf
|
|
|
|
binman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
|
|
|
|
# Use this to suppress stdout/stderr output:
|
|
# with capture_sys_output() as (stdout, stderr)
|
|
# ...do something...
|
|
@contextmanager
|
|
def capture_sys_output():
|
|
capture_out, capture_err = StringIO(), StringIO()
|
|
old_out, old_err = sys.stdout, sys.stderr
|
|
try:
|
|
sys.stdout, sys.stderr = capture_out, capture_err
|
|
yield capture_out, capture_err
|
|
finally:
|
|
sys.stdout, sys.stderr = old_out, old_err
|
|
|
|
|
|
class FakeEntry:
|
|
def __init__(self, contents_size):
|
|
self.contents_size = contents_size
|
|
self.data = 'a' * contents_size
|
|
|
|
def GetPath(self):
|
|
return 'entry_path'
|
|
|
|
class FakeSection:
|
|
def __init__(self, sym_value=1):
|
|
self.sym_value = sym_value
|
|
|
|
def GetPath(self):
|
|
return 'section_path'
|
|
|
|
def LookupSymbol(self, name, weak, msg):
|
|
return self.sym_value
|
|
|
|
class TestElf(unittest.TestCase):
|
|
def testAllSymbols(self):
|
|
fname = os.path.join(binman_dir, 'test', 'u_boot_ucode_ptr')
|
|
syms = elf.GetSymbols(fname, [])
|
|
self.assertIn('.ucode', syms)
|
|
|
|
def testRegexSymbols(self):
|
|
fname = os.path.join(binman_dir, 'test', 'u_boot_ucode_ptr')
|
|
syms = elf.GetSymbols(fname, ['ucode'])
|
|
self.assertIn('.ucode', syms)
|
|
syms = elf.GetSymbols(fname, ['missing'])
|
|
self.assertNotIn('.ucode', syms)
|
|
syms = elf.GetSymbols(fname, ['missing', 'ucode'])
|
|
self.assertIn('.ucode', syms)
|
|
|
|
def testMissingFile(self):
|
|
entry = FakeEntry(10)
|
|
section = FakeSection()
|
|
with self.assertRaises(ValueError) as e:
|
|
syms = elf.LookupAndWriteSymbols('missing-file', entry, section)
|
|
self.assertIn("Filename 'missing-file' not found in input path",
|
|
str(e.exception))
|
|
|
|
def testOutsideFile(self):
|
|
entry = FakeEntry(10)
|
|
section = FakeSection()
|
|
elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms')
|
|
with self.assertRaises(ValueError) as e:
|
|
syms = elf.LookupAndWriteSymbols(elf_fname, entry, section)
|
|
self.assertIn('entry_path has offset 4 (size 8) but the contents size '
|
|
'is a', str(e.exception))
|
|
|
|
def testMissingImageStart(self):
|
|
entry = FakeEntry(10)
|
|
section = FakeSection()
|
|
elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms_bad')
|
|
self.assertEqual(elf.LookupAndWriteSymbols(elf_fname, entry, section),
|
|
None)
|
|
|
|
def testBadSymbolSize(self):
|
|
entry = FakeEntry(10)
|
|
section = FakeSection()
|
|
elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms_size')
|
|
with self.assertRaises(ValueError) as e:
|
|
syms = elf.LookupAndWriteSymbols(elf_fname, entry, section)
|
|
self.assertIn('has size 1: only 4 and 8 are supported',
|
|
str(e.exception))
|
|
|
|
def testNoValue(self):
|
|
entry = FakeEntry(20)
|
|
section = FakeSection(sym_value=None)
|
|
elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms')
|
|
syms = elf.LookupAndWriteSymbols(elf_fname, entry, section)
|
|
self.assertEqual(chr(255) * 16 + 'a' * 4, entry.data)
|
|
|
|
def testDebug(self):
|
|
elf.debug = True
|
|
entry = FakeEntry(20)
|
|
section = FakeSection()
|
|
elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms')
|
|
with capture_sys_output() as (stdout, stderr):
|
|
syms = elf.LookupAndWriteSymbols(elf_fname, entry, section)
|
|
elf.debug = False
|
|
self.assertTrue(len(stdout.getvalue()) > 0)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|