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