diff options
Diffstat (limited to 'contrib/devtools/symbol-check.py')
| -rwxr-xr-x | contrib/devtools/symbol-check.py | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/contrib/devtools/symbol-check.py b/contrib/devtools/symbol-check.py index 3a67319eaa..c6158c9422 100755 --- a/contrib/devtools/symbol-check.py +++ b/contrib/devtools/symbol-check.py @@ -36,17 +36,18 @@ import os # (glibc) GLIBC_2_11 # MAX_VERSIONS = { -'GCC': (4,4,0), -'CXXABI': (1,3,3), -'GLIBCXX': (3,4,13), -'GLIBC': (2,11) +'GCC': (4,4,0), +'CXXABI': (1,3,3), +'GLIBCXX': (3,4,13), +'GLIBC': (2,11), +'LIBATOMIC': (1,0) } # See here for a description of _IO_stdin_used: # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634261#109 # Ignore symbols that are exported as part of every executable IGNORE_EXPORTS = { -'_edata', '_end', '_init', '__bss_start', '_fini', '_IO_stdin_used' +'_edata', '_end', '__end__', '_init', '__bss_start', '__bss_start__', '_bss_end__', '__bss_end__', '_fini', '_IO_stdin_used', 'stdin', 'stdout', 'stderr' } READELF_CMD = os.getenv('READELF', '/usr/bin/readelf') CPPFILT_CMD = os.getenv('CPPFILT', '/usr/bin/c++filt') @@ -59,8 +60,12 @@ ALLOWED_LIBRARIES = { 'libanl.so.1', # DNS resolve 'libm.so.6', # math library 'librt.so.1', # real-time (clock) +'libatomic.so.1', 'ld-linux-x86-64.so.2', # 64-bit dynamic linker 'ld-linux.so.2', # 32-bit dynamic linker +'ld-linux-aarch64.so.1', # 64-bit ARM dynamic linker +'ld-linux-armhf.so.3', # 32-bit ARM dynamic linker +'ld-linux-riscv64-lp64d.so.1', # 64-bit RISC-V dynamic linker # bitcoin-qt only 'libX11-xcb.so.1', # part of X11 'libX11.so.6', # part of X11 @@ -69,7 +74,13 @@ ALLOWED_LIBRARIES = { 'libfreetype.so.6', # font parsing 'libdl.so.2' # programming interface to dynamic linker } - +ARCH_MIN_GLIBC_VER = { +'80386': (2,1), +'X86-64': (2,2,5), +'ARM': (2,4), +'AArch64':(2,17), +'RISC-V': (2,27) +} class CPPFilt(object): ''' Demangle C++ symbol names. @@ -94,23 +105,25 @@ 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, universal_newlines=True) + p = subprocess.Popen([READELF_CMD, '--dyn-syms', '-W', '-h', 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.splitlines(): line = line.split() + if 'Machine:' in line: + arch = line[-1] 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)) + syms.append((sym, version, arch)) return syms -def check_version(max_versions, version): +def check_version(max_versions, version, arch): if '_' in version: (lib, _, ver) = version.rpartition('_') else: @@ -119,7 +132,7 @@ def check_version(max_versions, version): ver = tuple([int(x) for x in ver.split('.')]) if not lib in max_versions: return False - return ver <= max_versions[lib] + return ver <= max_versions[lib] or lib == 'GLIBC' and ver <= ARCH_MIN_GLIBC_VER[arch] def read_libraries(filename): p = subprocess.Popen([READELF_CMD, '-d', '-W', filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True) @@ -142,16 +155,17 @@ if __name__ == '__main__': retval = 0 for filename in sys.argv[1:]: # Check imported symbols - for sym,version in read_symbols(filename, True): - if version and not check_version(MAX_VERSIONS, version): + for sym,version,arch in read_symbols(filename, True): + if version and not check_version(MAX_VERSIONS, version, arch): 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))) - retval = 1 + if arch != 'RISC-V': + for sym,version,arch in read_symbols(filename, False): + if sym in IGNORE_EXPORTS: + continue + 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: |