diff options
Diffstat (limited to 'debug_info_test/check_cus.py')
-rw-r--r-- | debug_info_test/check_cus.py | 102 |
1 files changed, 55 insertions, 47 deletions
diff --git a/debug_info_test/check_cus.py b/debug_info_test/check_cus.py index f68fe9cb..d3cd6365 100644 --- a/debug_info_test/check_cus.py +++ b/debug_info_test/check_cus.py @@ -1,7 +1,12 @@ +# -*- coding: utf-8 -*- # Copyright 2018 The Chromium OS Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. +"""check compile units.""" + +from __future__ import print_function + import os import subprocess @@ -9,59 +14,62 @@ import check_ngcc cu_checks = [check_ngcc.not_by_gcc] + def check_compile_unit(dso_path, producer, comp_path): - """check all compiler flags used to build the compile unit. + """check all compiler flags used to build the compile unit. + + Args: + dso_path: path to the elf/dso. + producer: DW_AT_producer contains the compiler command line. + comp_path: DW_AT_comp_dir + DW_AT_name. - Args: - dso_path: path to the elf/dso - producer: DW_AT_producer contains the compiler command line. - comp_path: DW_AT_comp_dir + DW_AT_name + Returns: + A set of failed tests. + """ + failed = set() + for c in cu_checks: + if not c(dso_path, producer, comp_path): + failed.add(c.__module__) - Returns: - A set of failed tests. - """ - failed = set() - for c in cu_checks: - if not c(dso_path, producer, comp_path): - failed.add(c.__module__) + return failed - return failed def check_compile_units(dso_path): - """check all compile units in the given dso. - - Args: - dso_path: path to the dso - Return: - True if everything looks fine otherwise False. - """ - - failed = set() - producer = '' - comp_path = '' - - readelf = subprocess.Popen(['readelf', '--debug-dump=info', - '--dwarf-depth=1', dso_path], - stdout=subprocess.PIPE, - stderr=open(os.devnull, 'w')) - for l in readelf.stdout: - if 'DW_TAG_compile_unit' in l: - if producer: - failed = failed.union(check_compile_unit(dso_path, producer, - comp_path)) - producer = '' - comp_path = '' - elif 'DW_AT_producer' in l: - producer = l - elif 'DW_AT_name' in l: - comp_path = os.path.join(comp_path, l.split(':')[-1].strip()) - elif 'DW_AT_comp_dir' in l: - comp_path = os.path.join(l.split(':')[-1].strip(), comp_path) - if producer: + """check all compile units in the given dso. + + Args: + dso_path: path to the dso. + + Returns: + True if everything looks fine otherwise False. + """ + + failed = set() + producer = '' + comp_path = '' + + readelf = subprocess.Popen( + ['readelf', '--debug-dump=info', '--dwarf-depth=1', dso_path], + stdout=subprocess.PIPE, + stderr=open(os.devnull, 'w'), + encoding='utf-8') + for l in readelf.stdout: + if 'DW_TAG_compile_unit' in l: + if producer: failed = failed.union(check_compile_unit(dso_path, producer, comp_path)) + producer = '' + comp_path = '' + elif 'DW_AT_producer' in l: + producer = l + elif 'DW_AT_name' in l: + comp_path = os.path.join(comp_path, l.split(':')[-1].strip()) + elif 'DW_AT_comp_dir' in l: + comp_path = os.path.join(l.split(':')[-1].strip(), comp_path) + if producer: + failed = failed.union(check_compile_unit(dso_path, producer, comp_path)) - if failed: - print('%s failed check: %s' % (dso_path, ' '.join(failed))) - return False + if failed: + print('%s failed check: %s' % (dso_path, ' '.join(failed))) + return False - return True + return True |