def _ElfPathAndToolPrefixForSymbol(self, size_info, elf_path):
tool_prefix = self._tool_prefix_finder.Tentative()
orig_tool_prefix = size_info.metadata.get(models.METADATA_TOOL_PREFIX)
if orig_tool_prefix:
orig_tool_prefix = path_util.FromSrcRootRelative(orig_tool_prefix)
if os.path.exists(path_util.GetObjDumpPath(orig_tool_prefix)):
tool_prefix = orig_tool_prefix
# TODO(agrieve): Would be even better to use objdump --info to check that
# the toolchain is for the correct architecture.
assert tool_prefix is not None, (
'Could not determine --tool-prefix. Possible fixes include setting '
'--tool-prefix, or setting --output-directory')
def build_id_matches(elf_path):
found_build_id = archive.BuildIdFromElf(elf_path, tool_prefix)
expected_build_id = size_info.metadata.get(
models.METADATA_ELF_BUILD_ID)
return found_build_id == expected_build_id
filename = size_info.metadata.get(models.METADATA_ELF_FILENAME)
paths_to_try = []
if elf_path:
paths_to_try.append(elf_path)
else:
auto_output_directory_finders = [
path_util.OutputDirectoryFinder(
any_path_within_output_directory=s.size_path)
for s in self._size_infos
] + [self._output_directory_finder]
for output_directory_finder in auto_output_directory_finders:
output_dir = output_directory_finder.Tentative()
if output_dir:
# Local build: File is located in output directory.
paths_to_try.append(
os.path.normpath(os.path.join(output_dir, filename)))
# Downloaded build: File is located beside .size file.
paths_to_try.append(
os.path.normpath(
os.path.join(os.path.dirname(size_info.size_path),
os.path.basename(filename))))
paths_to_try = [p for p in paths_to_try if os.path.exists(p)]
for i, elf_path in enumerate(paths_to_try):
if build_id_matches(elf_path):
return elf_path, tool_prefix
# Show an error only once all paths are tried.
if i + 1 == len(paths_to_try):
assert False, 'Build ID does not match for %s' % elf_path
assert False, (
'Could not locate ELF file. If binary was built locally, ensure '
'--output-directory is set. If output directory is unavailable, '
'ensure {} is located beside {}, or pass its path explicitly using '
'elf_path=').format(os.path.basename(filename),
size_info.size_path)
def _ToolPrefixForSymbol(self, size_info):
tool_prefix = self._tool_prefix_finder.Tentative()
orig_tool_prefix = size_info.metadata.get(models.METADATA_TOOL_PREFIX)
if orig_tool_prefix:
orig_tool_prefix = path_util.FromSrcRootRelative(orig_tool_prefix)
if os.path.exists(path_util.GetObjDumpPath(orig_tool_prefix)):
tool_prefix = orig_tool_prefix
# TODO(agrieve): Would be even better to use objdump --info to check that
# the toolchain is for the correct architecture.
assert tool_prefix is not None, (
'Could not determine --tool-prefix. Possible fixes include setting '
'--tool-prefix, or setting --output-directory')
return tool_prefix
