Update the LookupAndWriteSymbols() function to return the number of symbols written. Also add some logging for when debugging is not enabled.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v3: - Add new patch for elf to return number of written symbols
tools/binman/elf.py | 13 +++++++++++-- tools/binman/elf_test.py | 8 +++++--- 2 files changed, 16 insertions(+), 5 deletions(-)
diff --git a/tools/binman/elf.py b/tools/binman/elf.py index 5816284c32a2..4219001feac3 100644 --- a/tools/binman/elf.py +++ b/tools/binman/elf.py @@ -248,6 +248,9 @@ def LookupAndWriteSymbols(elf_fname, entry, section, is_elf=False, entry: Entry to process section: Section which can be used to lookup symbol values base_sym: Base symbol marking the start of the image + + Returns: + int: Number of symbols written """ if not base_sym: base_sym = '__image_copy_start' @@ -269,12 +272,13 @@ def LookupAndWriteSymbols(elf_fname, entry, section, is_elf=False,
if not syms: tout.debug('LookupAndWriteSymbols: no syms') - return + return 0 base = syms.get(base_sym) if not base and not is_elf: tout.debug('LookupAndWriteSymbols: no base') - return + return 0 base_addr = 0 if is_elf else base.address + count = 0 for name, sym in syms.items(): if name.startswith('_binman'): msg = ("Section '%s': Symbol '%s'\n in entry '%s'" % @@ -307,6 +311,11 @@ def LookupAndWriteSymbols(elf_fname, entry, section, is_elf=False, (msg, name, offset, value, len(value_bytes))) entry.data = (entry.data[:offset] + value_bytes + entry.data[offset + sym.size:]) + count += 1 + if count: + tout.detail( + f"Section '{section.GetPath()}': entry '{entry.GetPath()}' : {count} symbols") + return count
def GetSymbolValue(sym, data, msg): """Get the value of a symbol diff --git a/tools/binman/elf_test.py b/tools/binman/elf_test.py index c98083961b53..2fb3f6f28ff1 100644 --- a/tools/binman/elf_test.py +++ b/tools/binman/elf_test.py @@ -141,7 +141,8 @@ class TestElf(unittest.TestCase): entry = FakeEntry(10) section = FakeSection() elf_fname = self.ElfTestFile('u_boot_binman_syms_bad') - elf.LookupAndWriteSymbols(elf_fname, entry, section) + count = elf.LookupAndWriteSymbols(elf_fname, entry, section) + self.assertEqual(0, count)
def testBadSymbolSize(self): """Test that an attempt to use an 8-bit symbol are detected @@ -162,7 +163,7 @@ class TestElf(unittest.TestCase): 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 + This should produce -1 values for all three symbols, taking up the first 16 bytes of the image. """ if not elf.ELF_TOOLS: @@ -170,7 +171,8 @@ class TestElf(unittest.TestCase): entry = FakeEntry(28) section = FakeSection(sym_value=None) elf_fname = self.ElfTestFile('u_boot_binman_syms') - elf.LookupAndWriteSymbols(elf_fname, entry, section) + count = elf.LookupAndWriteSymbols(elf_fname, entry, section) + self.assertEqual(5, count) expected = (struct.pack('<L', elf.BINMAN_SYM_MAGIC_VALUE) + tools.get_bytes(255, 20) + tools.get_bytes(ord('a'), 4))