diff options
| -rwxr-xr-x | contrib/devtools/symbol-check.py | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/contrib/devtools/symbol-check.py b/contrib/devtools/symbol-check.py index 2b77857766..3a67319eaa 100755 --- a/contrib/devtools/symbol-check.py +++ b/contrib/devtools/symbol-check.py @@ -46,28 +46,28 @@ MAX_VERSIONS = { # Ignore symbols that are exported as part of every executable IGNORE_EXPORTS = { -b'_edata', b'_end', b'_init', b'__bss_start', b'_fini', b'_IO_stdin_used' +'_edata', '_end', '_init', '__bss_start', '_fini', '_IO_stdin_used' } READELF_CMD = os.getenv('READELF', '/usr/bin/readelf') CPPFILT_CMD = os.getenv('CPPFILT', '/usr/bin/c++filt') # Allowed NEEDED libraries ALLOWED_LIBRARIES = { # bitcoind and bitcoin-qt -b'libgcc_s.so.1', # GCC base support -b'libc.so.6', # C library -b'libpthread.so.0', # threading -b'libanl.so.1', # DNS resolve -b'libm.so.6', # math library -b'librt.so.1', # real-time (clock) -b'ld-linux-x86-64.so.2', # 64-bit dynamic linker -b'ld-linux.so.2', # 32-bit dynamic linker +'libgcc_s.so.1', # GCC base support +'libc.so.6', # C library +'libpthread.so.0', # threading +'libanl.so.1', # DNS resolve +'libm.so.6', # math library +'librt.so.1', # real-time (clock) +'ld-linux-x86-64.so.2', # 64-bit dynamic linker +'ld-linux.so.2', # 32-bit dynamic linker # bitcoin-qt only -b'libX11-xcb.so.1', # part of X11 -b'libX11.so.6', # part of X11 -b'libxcb.so.1', # part of X11 -b'libfontconfig.so.1', # font support -b'libfreetype.so.6', # font parsing -b'libdl.so.2' # programming interface to dynamic linker +'libX11-xcb.so.1', # part of X11 +'libX11.so.6', # part of X11 +'libxcb.so.1', # part of X11 +'libfontconfig.so.1', # font support +'libfreetype.so.6', # font parsing +'libdl.so.2' # programming interface to dynamic linker } class CPPFilt(object): @@ -77,10 +77,10 @@ class CPPFilt(object): Use a pipe to the 'c++filt' command. ''' def __init__(self): - self.proc = subprocess.Popen(CPPFILT_CMD, stdin=subprocess.PIPE, stdout=subprocess.PIPE) + self.proc = subprocess.Popen(CPPFILT_CMD, stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=True) def __call__(self, mangled): - self.proc.stdin.write(mangled + b'\n') + self.proc.stdin.write(mangled + '\n') self.proc.stdin.flush() return self.proc.stdout.readline().rstrip() @@ -94,43 +94,43 @@ def read_symbols(executable, imports=True): Parse an ELF executable and return a list of (symbol,version) tuples for dynamic, imported symbols. ''' - p = subprocess.Popen([READELF_CMD, '--dyn-syms', '-W', executable], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) + p = subprocess.Popen([READELF_CMD, '--dyn-syms', '-W', executable], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True) (stdout, stderr) = p.communicate() if p.returncode: raise IOError('Could not read symbols for %s: %s' % (executable, stderr.strip())) syms = [] - for line in stdout.split(b'\n'): + for line in stdout.splitlines(): line = line.split() - if len(line)>7 and re.match(b'[0-9]+:$', line[0]): - (sym, _, version) = line[7].partition(b'@') - is_import = line[6] == b'UND' - if version.startswith(b'@'): + if len(line)>7 and re.match('[0-9]+:$', line[0]): + (sym, _, version) = line[7].partition('@') + is_import = line[6] == 'UND' + if version.startswith('@'): version = version[1:] if is_import == imports: syms.append((sym, version)) return syms def check_version(max_versions, version): - if b'_' in version: - (lib, _, ver) = version.rpartition(b'_') + if '_' in version: + (lib, _, ver) = version.rpartition('_') else: lib = version ver = '0' - ver = tuple([int(x) for x in ver.split(b'.')]) + ver = tuple([int(x) for x in ver.split('.')]) if not lib in max_versions: return False return ver <= max_versions[lib] def read_libraries(filename): - p = subprocess.Popen([READELF_CMD, '-d', '-W', filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) + p = subprocess.Popen([READELF_CMD, '-d', '-W', filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True) (stdout, stderr) = p.communicate() if p.returncode: raise IOError('Error opening file') libraries = [] - for line in stdout.split(b'\n'): + for line in stdout.splitlines(): tokens = line.split() - if len(tokens)>2 and tokens[1] == b'(NEEDED)': - match = re.match(b'^Shared library: \[(.*)\]$', b' '.join(tokens[2:])) + if len(tokens)>2 and tokens[1] == '(NEEDED)': + match = re.match('^Shared library: \[(.*)\]$', ' '.join(tokens[2:])) if match: libraries.append(match.group(1)) else: @@ -144,18 +144,18 @@ if __name__ == '__main__': # Check imported symbols for sym,version in read_symbols(filename, True): if version and not check_version(MAX_VERSIONS, version): - print('%s: symbol %s from unsupported version %s' % (filename, cppfilt(sym).decode('utf-8'), version.decode('utf-8'))) + print('%s: symbol %s from unsupported version %s' % (filename, cppfilt(sym), version)) retval = 1 # Check exported symbols for sym,version in read_symbols(filename, False): if sym in IGNORE_EXPORTS: continue - print('%s: export of symbol %s not allowed' % (filename, cppfilt(sym).decode('utf-8'))) + print('%s: export of symbol %s not allowed' % (filename, cppfilt(sym))) retval = 1 # Check dependency libraries for library_name in read_libraries(filename): if library_name not in ALLOWED_LIBRARIES: - print('%s: NEEDED library %s is not allowed' % (filename, library_name.decode('utf-8'))) + print('%s: NEEDED library %s is not allowed' % (filename, library_name)) retval = 1 sys.exit(retval) |