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-rw-r--r--tools/binman/elf_test.py57
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__':