77bb564dc7
/usr/bin/python may be python3. We should respect PATH to find the python executable so it can be locally overridden to be python2. Test: Build libc, repo upload Change-Id: Iaddd7cd4a1c2177c32786e4fa0fc664ab0ad36de
87 lines
2.6 KiB
Python
Executable file
87 lines
2.6 KiB
Python
Executable file
#!/usr/bin/env python
|
|
|
|
import glob
|
|
import os
|
|
import re
|
|
import string
|
|
import subprocess
|
|
import sys
|
|
|
|
toolchain = os.environ['ANDROID_TOOLCHAIN']
|
|
arch = re.sub(r'.*/linux-x86/([^/]+)/.*', r'\1', toolchain)
|
|
|
|
sys.stderr.write('Checking symbols for arch "%s"...\n' % arch)
|
|
|
|
def GetSymbols(library, functions_or_variables):
|
|
global api
|
|
global arch
|
|
|
|
api = '9'
|
|
if library == 'libm' and arch == 'arm':
|
|
api = '3'
|
|
|
|
# There were no 64-bit ABIs before API level 21.
|
|
if '64' in arch:
|
|
api = '21'
|
|
|
|
# What GCC calls aarch64, Android calls arm64.
|
|
if arch == 'aarch64':
|
|
arch = 'arm64'
|
|
|
|
path = '%s/development/ndk/platforms/android-%s/arch-%s/symbols/%s.so.%s.txt' % (os.environ['ANDROID_BUILD_TOP'], api, arch, library, functions_or_variables)
|
|
symbols = set()
|
|
for line in open(path, 'r'):
|
|
symbols.add(line.rstrip())
|
|
#sys.stdout.write('%d %s in %s for %s\n' % (len(symbols), functions_or_variables, library, arch))
|
|
return symbols
|
|
|
|
def CheckSymbols(library, functions_or_variables):
|
|
expected_symbols = GetSymbols(library, functions_or_variables)
|
|
|
|
lib_dir = 'lib'
|
|
if '64' in arch:
|
|
lib_dir = 'lib64'
|
|
|
|
so_file = '%s/system/%s/%s.so' % (os.environ['ANDROID_PRODUCT_OUT'], lib_dir, library)
|
|
|
|
# Example readelf output:
|
|
# 264: 0001623c 4 FUNC GLOBAL DEFAULT 8 cabsf
|
|
# 266: 00016244 4 FUNC GLOBAL DEFAULT 8 dremf
|
|
# 267: 00019018 4 OBJECT GLOBAL DEFAULT 11 __fe_dfl_env
|
|
# 268: 00000000 0 FUNC GLOBAL DEFAULT UND __aeabi_dcmplt
|
|
|
|
|
|
r = re.compile(r' +\d+: [0-9a-f]+ +\d+ (FUNC|OBJECT) +\S+ +\S+ +\d+ (\S+)')
|
|
|
|
actual_symbols = set()
|
|
for line in subprocess.check_output(['readelf', '-W', '--dyn-syms', so_file]).split('\n'):
|
|
m = r.match(line)
|
|
if m:
|
|
symbol = string.split(m.group(2), '@')[0]
|
|
if m.group(1) == 'FUNC' and functions_or_variables == 'functions':
|
|
actual_symbols.add(symbol)
|
|
elif m.group(1) == 'OBJECT' and functions_or_variables == 'variables':
|
|
actual_symbols.add(symbol)
|
|
#else:
|
|
#print 'ignoring: ' % line
|
|
|
|
missing = expected_symbols - actual_symbols
|
|
if len(missing) > 0:
|
|
sys.stderr.write('%d missing %s in %s for %s:\n' % (len(missing), functions_or_variables, library, arch))
|
|
for miss in sorted(missing):
|
|
sys.stderr.write(' %s\n' % miss)
|
|
|
|
extra = actual_symbols - expected_symbols
|
|
if len(extra) > 0:
|
|
sys.stderr.write('%d extra %s in %s for %s:\n' % (len(extra), functions_or_variables, library, arch))
|
|
for s in sorted(extra):
|
|
sys.stderr.write(' %s\n' % s)
|
|
|
|
return len(missing) == 0
|
|
|
|
CheckSymbols("libc", "functions")
|
|
CheckSymbols("libc", "variables")
|
|
CheckSymbols("libm", "functions")
|
|
CheckSymbols("libm", "variables")
|
|
|
|
sys.exit(0)
|