def CreateMetadata(map_path, elf_path, apk_path, tool_prefix, output_directory):
metadata = None
if elf_path:
logging.debug('Constructing metadata')
git_rev = _DetectGitRevision(os.path.dirname(elf_path))
architecture = _ArchFromElf(elf_path, tool_prefix)
build_id = BuildIdFromElf(elf_path, tool_prefix)
timestamp_obj = datetime.datetime.utcfromtimestamp(os.path.getmtime(
elf_path))
timestamp = calendar.timegm(timestamp_obj.timetuple())
relative_tool_prefix = path_util.ToSrcRootRelative(tool_prefix)
metadata = {
models.METADATA_GIT_REVISION: git_rev,
models.METADATA_ELF_ARCHITECTURE: architecture,
models.METADATA_ELF_MTIME: timestamp,
models.METADATA_ELF_BUILD_ID: build_id,
models.METADATA_TOOL_PREFIX: relative_tool_prefix,
}
if output_directory:
relative_to_out = lambda path: os.path.relpath(path, output_directory)
gn_args = _ParseGnArgs(os.path.join(output_directory, 'args.gn'))
metadata[models.METADATA_MAP_FILENAME] = relative_to_out(map_path)
metadata[models.METADATA_ELF_FILENAME] = relative_to_out(elf_path)
metadata[models.METADATA_GN_ARGS] = gn_args
if apk_path:
metadata[models.METADATA_APK_FILENAME] = relative_to_out(apk_path)
metadata[models.METADATA_APK_SIZE] = os.path.getsize(apk_path)
return metadata
def _ComputePakFileSymbols(
file_name, file_size, contents, res_info, symbols_by_name):
total = 12 + 6 # Header size plus extra offset
id_map = {id(v): k
for k, v in sorted(contents.resources.items(), reverse=True)}
alias_map = {k: id_map[id(v)] for k, v in contents.resources.iteritems()
if id_map[id(v)] != k}
# Longest locale pak is es-419.pak
if len(os.path.basename(file_name)) <= 9:
section_name = models.SECTION_PAK_TRANSLATIONS
else:
section_name = models.SECTION_PAK_NONTRANSLATED
object_path = path_util.ToSrcRootRelative(file_name)
for resource_id in sorted(contents.resources):
if resource_id in alias_map:
# 4 extra bytes of metadata (2 16-bit ints)
size = 4
name = res_info[alias_map[resource_id]][0]
else:
# 6 extra bytes of metadata (1 32-bit int, 1 16-bit int)
size = len(contents.resources[resource_id]) + 6
name, source_path = res_info[resource_id]
if name not in symbols_by_name:
full_name = '{}: {}'.format(source_path, name)
symbols_by_name[name] = models.Symbol(
section_name, 0, address=resource_id, full_name=full_name,
source_path=source_path, object_path=object_path)
symbols_by_name[name].size += size
total += size
assert file_size == total, (
'{} bytes in pak file not accounted for'.format(file_size - total))