diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/check-static-inits.py')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/check-static-inits.py | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/check-static-inits.py b/Build/source/libs/harfbuzz/harfbuzz-src/src/check-static-inits.py new file mode 100644 index 00000000000..9e43b811bdd --- /dev/null +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/check-static-inits.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import sys, os, shutil, subprocess, glob, re + +builddir = os.environ.get ('builddir', os.path.dirname (__file__)) +libs = os.environ.get ('libs', '.libs') + +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, '**', '*.o'), recursive=True) +if not OBJS: + print ('check-static-inits.py: object files not found; skipping test') + sys.exit (77) + +stat = 0 + +for obj in OBJS: + result = subprocess.check_output ([objdump, '-t', obj]).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 + +sys.exit (stat) |