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[check-static-inits] objdump all objects together

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We won't see which object has the bad initializers anymore.
We can later adapt to objdump each object one by one if
any error was found.

Changes test runtime from 1s down to 0.15s.
This commit is contained in:
Behdad Esfahbod 2025-04-06 02:15:51 -06:00
parent fbda749bdb
commit 628a9ee28a
1 changed files with 20 additions and 20 deletions
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40
src/check-static-inits.py
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@ -22,30 +22,30 @@ if not OBJS:
stat = 0
tested = 0
for obj in OBJS:
result = subprocess.run(objdump.split () + ['-t', obj], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
result = subprocess.run(objdump.split () + ['-t'] + OBJS, 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
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')
else:
print ('objdump returned error:\n%s' % (result.stderr.decode ('utf-8')))
stat = 2
else:
tested = 1
result = result.stdout.decode ('utf-8')
result = result.stdout.decode ('utf-8')
# Checking that no object file has static initializers
for l in re.findall (r'^.*\.[cd]tors.*$', result, re.MULTILINE):
if not re.match (r'.*\b0+\b', l):
print ('Ouch, %s has static initializers/finalizers' % obj)
stat = 1
# Checking that no object file has static initializers
for l in re.findall (r'^.*\.[cd]tors.*$', result, re.MULTILINE):
if not re.match (r'.*\b0+\b', l):
print ('Ouch, library has static initializers/finalizers')
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
# 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, library has lazy static C++ constructors/destructors or other such stuff')
stat = 1
tested += 1
sys.exit (stat if tested else 77)