| Elliott Hughes | a0ee078 | 2013-01-30 19:06:37 -0800 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | |
| 3 | import glob |
| 4 | import os |
| 5 | import re |
| 6 | import string |
| 7 | import subprocess |
| 8 | import sys |
| 9 | |
| 10 | toolchain = os.environ['ANDROID_TOOLCHAIN'] |
| 11 | arch = re.sub(r'.*/linux-x86/([^/]+)/.*', r'\1', toolchain) |
| 12 | |
| 13 | sys.stderr.write('Checking symbols for arch "%s"...\n' % arch) |
| 14 | |
| 15 | def GetSymbols(library, functions_or_variables): |
| 16 | api = '9' |
| 17 | if library == 'libm' and arch == 'arm': |
| 18 | api = '3' |
| 19 | 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) |
| 20 | symbols = set() |
| 21 | for line in open(path, 'r'): |
| 22 | symbols.add(line.rstrip()) |
| 23 | #sys.stdout.write('%d %s in %s for %s\n' % (len(symbols), functions_or_variables, library, arch)) |
| 24 | return symbols |
| 25 | |
| 26 | def CheckSymbols(library, functions_or_variables): |
| 27 | expected_symbols = GetSymbols(library, functions_or_variables) |
| 28 | |
| 29 | so_file = '%s/system/lib/%s.so' % (os.environ['ANDROID_PRODUCT_OUT'], library) |
| 30 | |
| 31 | # Example readelf output: |
| 32 | # 264: 0001623c 4 FUNC GLOBAL DEFAULT 8 cabsf |
| 33 | # 266: 00016244 4 FUNC GLOBAL DEFAULT 8 dremf |
| 34 | # 267: 00019018 4 OBJECT GLOBAL DEFAULT 11 __fe_dfl_env |
| 35 | # 268: 00000000 0 FUNC GLOBAL DEFAULT UND __aeabi_dcmplt |
| 36 | |
| 37 | |
| 38 | r = re.compile(r' +\d+: [0-9a-f]+ +\d+ (FUNC|OBJECT) +\S+ +\S+ +\d+ (\S+)') |
| 39 | |
| 40 | actual_symbols = set() |
| 41 | for line in subprocess.check_output(['readelf', '--dyn-syms', so_file]).split('\n'): |
| 42 | m = r.match(line) |
| 43 | if m: |
| 44 | if m.group(1) == 'FUNC' and functions_or_variables == 'functions': |
| 45 | actual_symbols.add(m.group(2)) |
| 46 | elif m.group(1) == 'OBJECT' and functions_or_variables == 'variables': |
| 47 | actual_symbols.add(m.group(2)) |
| 48 | #else: |
| 49 | #print 'ignoring: ' % line |
| 50 | |
| 51 | missing = expected_symbols - actual_symbols |
| 52 | if len(missing) > 0: |
| 53 | sys.stderr.write('%d missing %s in %s for %s:\n' % (len(missing), functions_or_variables, library, arch)) |
| 54 | for miss in sorted(missing): |
| 55 | sys.stderr.write(' %s\n' % miss) |
| 56 | |
| 57 | return len(missing) == 0 |
| 58 | |
| 59 | CheckSymbols("libc", "functions") |
| 60 | CheckSymbols("libc", "variables") |
| 61 | CheckSymbols("libm", "functions") |
| 62 | CheckSymbols("libm", "variables") |
| 63 | |
| 64 | sys.exit(0) |