def testMissingFile(self): entry = FakeEntry(10) image = FakeImage() with self.assertRaises(ValueError) as e: syms = elf.LookupAndWriteSymbols('missing-file', entry, image) self.assertIn("Filename 'missing-file' not found in input path", str(e.exception))
def testBadSymbolSize(self): entry = FakeEntry(10) image = FakeImage() 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, image) self.assertIn('has size 1: only 4 and 8 are supported', str(e.exception))
def testMissingFile(self): """Test that a missing file is detected""" 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) image = FakeImage() elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms') with self.assertRaises(ValueError) as e: syms = elf.LookupAndWriteSymbols(elf_fname, entry, image) self.assertIn('entry_path has offset 4 (size 8) but the contents size ' 'is a', str(e.exception))
def testDebug(self): elf.debug = True entry = FakeEntry(20) image = FakeImage() 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, image) elf.debug = False self.assertTrue(len(stdout.getvalue()) > 0)
def testOutsideFile(self): """Test a symbol which extends outside the entry area is detected""" entry = FakeEntry(10) section = FakeSection() elf_fname = self.ElfTestFile('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 testDebug(self): """Check that enabling debug in the elf module produced debug output""" elf.debug = True entry = FakeEntry(20) section = FakeSection() elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms') with test_util.capture_sys_output() as (stdout, stderr): syms = elf.LookupAndWriteSymbols(elf_fname, entry, section) elf.debug = False self.assertTrue(len(stdout.getvalue()) > 0)
def testMissingImageStart(self): """Test that we detect a missing __image_copy_start symbol This is needed to mark the start of the image. Without it we cannot locate the offset of a binman symbol within the image. """ 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 testNoValue(self): """Test the case where we have no value for the symbol This should produce -1 values for all thress symbols, taking up the first 16 bytes of the image. """ 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): """Check that enabling debug in the elf module produced debug output""" try: tout.Init(tout.DEBUG) entry = FakeEntry(20) section = FakeSection() elf_fname = self.ElfTestFile('u_boot_binman_syms') with test_util.capture_sys_output() as (stdout, stderr): syms = elf.LookupAndWriteSymbols(elf_fname, entry, section) self.assertTrue(len(stdout.getvalue()) > 0) finally: tout.Init(tout.WARNING)
def testNoValue(self): """Test the case where we have no value for the symbol This should produce -1 values for all thress symbols, taking up the first 16 bytes of the image. """ entry = FakeEntry(24) section = FakeSection(sym_value=None) elf_fname = self.ElfTestFile('u_boot_binman_syms') syms = elf.LookupAndWriteSymbols(elf_fname, entry, section) self.assertEqual( tools.GetBytes(255, 20) + tools.GetBytes(ord('a'), 4), entry.data)
def testBadSymbolSize(self): """Test that an attempt to use an 8-bit symbol are detected Only 32 and 64 bits are supported, since we need to store an offset into the image. """ 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 WriteSymbols(self, section): elf.LookupAndWriteSymbols(self.elf_fname, self, section)
def testMissingImageStart(self): entry = FakeEntry(10) image = FakeImage() elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms_bad') self.assertEqual(elf.LookupAndWriteSymbols(elf_fname, entry, image), None)
def testNoValue(self): entry = FakeEntry(20) image = FakeImage(sym_value=None) elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms') syms = elf.LookupAndWriteSymbols(elf_fname, entry, image) self.assertEqual(chr(255) * 16 + 'a' * 4, entry.data)
def WriteSymbols(self, image): elf.LookupAndWriteSymbols(self.elf_fname, self, image)