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#!/usr/bin/env python3
import sys, os, shutil, subprocess, glob, re
builddir = os.getenv ('builddir', os.path.dirname (__file__))
libs = os.getenv ('libs', '.libs')
objdump = os.getenv ('OBJDUMP', shutil.which ('objdump'))
if not objdump:
print ('check-static-inits.py: \'ldd\' not found; skipping test')
sys.exit (77)
if sys.version_info < (3, 5):
print ('check-static-inits.py: needs python 3.5 for recursive support in glob')
sys.exit (77)
OBJS = glob.glob (os.path.join (builddir, libs, '**', '*hb*.o'), recursive=True)
if not OBJS:
print ('check-static-inits.py: object files not found; skipping test')
sys.exit (77)
stat = 0
tested = 0
for obj in OBJS:
result = subprocess.run(objdump.split () + ['-t', obj], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if result.returncode:
if result.stderr.find (b'not recognized') != -1:
# https://github.com/harfbuzz/harfbuzz/issues/3019
print ('objdump %s returned "not recognized", skipping' % obj)
continue
print ('objdump %s returned error:\n%s' % (obj, result.stderr.decode ('utf-8')))
stat = 2
result = result.stdout.decode ('utf-8')
# Checking that no object file has static initializers
for l in re.findall (r'^.*\.[cd]tors.*$', result, re.MULTILINE):
if not re.match (r'.*\b0+\b', l):
print ('Ouch, %s has static initializers/finalizers' % obj)
stat = 1
# Checking that no object file has lazy static C++ constructors/destructors or other such stuff
if ('__cxa_' in result) and ('__ubsan_handle' not in result):
print ('Ouch, %s has lazy static C++ constructors/destructors or other such stuff' % obj)
stat = 1
tested += 1
sys.exit (stat if tested else 77)
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