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binman: Rename ELF parameters to 'section'

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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>
This commit is contained in:
Simon Glass
2018-06-01 09:38:13 -06:00
parent 8f1da50ccc
commit f55382b5e5
4 changed files with 23 additions and 23 deletions
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10
tools/binman/elf.py
View File

@@ -75,7 +75,7 @@ def GetSymbolAddress(fname, sym_name):
return None
return sym.address
def LookupAndWriteSymbols(elf_fname, entry, image):
def LookupAndWriteSymbols(elf_fname, entry, section):
"""Replace all symbols in an entry with their correct values
The entry contents is updated so that values for referenced symbols will be
@@ -87,7 +87,7 @@ def LookupAndWriteSymbols(elf_fname, entry, image):
elf_fname: Filename of ELF image containing the symbol information for
entry
entry: Entry to process
image: Image which can be used to lookup symbol values
section: Section which can be used to lookup symbol values
"""
fname = tools.GetInputFilename(elf_fname)
syms = GetSymbols(fname, ['image', 'binman'])
@@ -98,8 +98,8 @@ def LookupAndWriteSymbols(elf_fname, entry, image):
return
for name, sym in syms.iteritems():
if name.startswith('_binman'):
msg = ("Image '%s': Symbol '%s'\n in entry '%s'" %
(image.GetPath(), name, entry.GetPath()))
msg = ("Section '%s': Symbol '%s'\n in entry '%s'" %
(section.GetPath(), name, entry.GetPath()))
offset = sym.address - base.address
if offset < 0 or offset + sym.size > entry.contents_size:
raise ValueError('%s has offset %x (size %x) but the contents '
@@ -114,7 +114,7 @@ def LookupAndWriteSymbols(elf_fname, entry, image):
(msg, sym.size))
# Look up the symbol in our entry tables.
value = image.LookupSymbol(name, sym.weak, msg)
value = section.LookupSymbol(name, sym.weak, msg)
if value is not None:
value += base.address
else:

28
tools/binman/elf_test.py
View File

@@ -40,12 +40,12 @@ class FakeEntry:
def GetPath(self):
return 'entry_path'
class FakeImage:
class FakeSection:
def __init__(self, sym_value=1):
self.sym_value = sym_value
def GetPath(self):
return 'image_path'
return 'section_path'
def LookupSymbol(self, name, weak, msg):
return self.sym_value
@@ -67,51 +67,51 @@ class TestElf(unittest.TestCase):
def testMissingFile(self):
entry = FakeEntry(10)
image = FakeImage()
section = FakeSection()
with self.assertRaises(ValueError) as e:
syms = elf.LookupAndWriteSymbols('missing-file', entry, image)
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()
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, image)
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)
image = FakeImage()
section = FakeSection()
elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms_bad')
self.assertEqual(elf.LookupAndWriteSymbols(elf_fname, entry, image),
self.assertEqual(elf.LookupAndWriteSymbols(elf_fname, entry, section),
None)
def testBadSymbolSize(self):
entry = FakeEntry(10)
image = FakeImage()
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, image)
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)
image = FakeImage(sym_value=None)
section = FakeSection(sym_value=None)
elf_fname = os.path.join(binman_dir, 'test', 'u_boot_binman_syms')
syms = elf.LookupAndWriteSymbols(elf_fname, entry, image)
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)
image = FakeImage()
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, image)
syms = elf.LookupAndWriteSymbols(elf_fname, entry, section)
elf.debug = False
self.assertTrue(len(stdout.getvalue()) > 0)

4
tools/binman/etype/entry.py
View File

@@ -203,10 +203,10 @@ class Entry(object):
def ProcessContents(self):
pass
def WriteSymbols(self, image):
def WriteSymbols(self, section):
"""Write symbol values into binary files for access at run time
Args:
image: Image containing the entry
section: Section containing the entry
"""
pass

4
tools/binman/etype/u_boot_spl.py
View File

@@ -18,5 +18,5 @@ class Entry_u_boot_spl(Entry_blob):
def GetDefaultFilename(self):
return 'spl/u-boot-spl.bin'
def WriteSymbols(self, image):
elf.LookupAndWriteSymbols(self.elf_fname, self, image)
def WriteSymbols(self, section):
elf.LookupAndWriteSymbols(self.elf_fname, self, section)