diff options
Diffstat (limited to 'tools/binman/elf_test.py')
| -rw-r--r-- | tools/binman/elf_test.py | 57 |
1 files changed, 45 insertions, 12 deletions
diff --git a/tools/binman/elf_test.py b/tools/binman/elf_test.py index 416e43baf0..c0c11cb340 100644 --- a/tools/binman/elf_test.py +++ b/tools/binman/elf_test.py @@ -50,20 +50,53 @@ class FakeSection: return self.sym_value +def BuildElfTestFiles(target_dir): + """Build ELF files used for testing in binman + + This compiles and links the test files into the specified directory. It the + Makefile and source files in the binman test/ directory. + + Args: + target_dir: Directory to put the files into + """ + if not os.path.exists(target_dir): + os.mkdir(target_dir) + testdir = os.path.join(binman_dir, 'test') + + # If binman is involved from the main U-Boot Makefile the -r and -R + # flags are set in MAKEFLAGS. This prevents this Makefile from working + # correctly. So drop any make flags here. + if 'MAKEFLAGS' in os.environ: + del os.environ['MAKEFLAGS'] + tools.Run('make', '-C', target_dir, '-f', + os.path.join(testdir, 'Makefile'), 'SRC=%s/' % testdir) + + class TestElf(unittest.TestCase): @classmethod - def setUpClass(self): + def setUpClass(cls): + cls._indir = tempfile.mkdtemp(prefix='elf.') tools.SetInputDirs(['.']) + BuildElfTestFiles(cls._indir) + + @classmethod + def tearDownClass(cls): + if cls._indir: + shutil.rmtree(cls._indir) + + @classmethod + def ElfTestFile(cls, fname): + return os.path.join(cls._indir, fname) def testAllSymbols(self): """Test that we can obtain a symbol from the ELF file""" - fname = os.path.join(binman_dir, 'test', 'u_boot_ucode_ptr') + fname = self.ElfTestFile('u_boot_ucode_ptr') syms = elf.GetSymbols(fname, []) self.assertIn('.ucode', syms) def testRegexSymbols(self): """Test that we can obtain from the ELF file by regular expression""" - fname = os.path.join(binman_dir, 'test', 'u_boot_ucode_ptr') + fname = self.ElfTestFile('u_boot_ucode_ptr') syms = elf.GetSymbols(fname, ['ucode']) self.assertIn('.ucode', syms) syms = elf.GetSymbols(fname, ['missing']) @@ -84,7 +117,7 @@ class TestElf(unittest.TestCase): """Test a symbol which extends outside the entry area is detected""" entry = FakeEntry(10) section = FakeSection() - elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms') + 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 ' @@ -98,7 +131,7 @@ class TestElf(unittest.TestCase): """ entry = FakeEntry(10) section = FakeSection() - elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms_bad') + elf_fname = self.ElfTestFile('u_boot_binman_syms_bad') self.assertEqual(elf.LookupAndWriteSymbols(elf_fname, entry, section), None) @@ -110,7 +143,7 @@ class TestElf(unittest.TestCase): """ entry = FakeEntry(10) section = FakeSection() - elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms_size') + elf_fname =self.ElfTestFile('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', @@ -122,11 +155,11 @@ class TestElf(unittest.TestCase): This should produce -1 values for all thress symbols, taking up the first 16 bytes of the image. """ - entry = FakeEntry(20) + entry = FakeEntry(24) section = FakeSection(sym_value=None) - elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms') + elf_fname = self.ElfTestFile('u_boot_binman_syms') syms = elf.LookupAndWriteSymbols(elf_fname, entry, section) - self.assertEqual(tools.GetBytes(255, 16) + tools.GetBytes(ord('a'), 4), + self.assertEqual(tools.GetBytes(255, 20) + tools.GetBytes(ord('a'), 4), entry.data) def testDebug(self): @@ -135,7 +168,7 @@ class TestElf(unittest.TestCase): tout.Init(tout.DEBUG) entry = FakeEntry(20) section = FakeSection() - elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms') + 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) @@ -148,7 +181,7 @@ class TestElf(unittest.TestCase): expected_text = b'1234' expected_data = b'wxyz' elf_fname = os.path.join(outdir, 'elf') - bin_fname = os.path.join(outdir, 'elf') + bin_fname = os.path.join(outdir, 'bin') # Make an Elf file and then convert it to a fkat binary file. This # should produce the original data. @@ -178,7 +211,7 @@ class TestElf(unittest.TestCase): self.assertEqual(elf.ElfInfo(b'\0\0' + expected[2:], load, entry, len(expected)), elf.DecodeElf(data, load + 2)) - #shutil.rmtree(outdir) + shutil.rmtree(outdir) if __name__ == '__main__': |