def _compile(code, werror, flags, libs):
digest = md5sumhex(code + str(werror) + str(flags) + str(libs))
if digest in __cache:
return __cache[digest]
sopath = os.path.join(__tempdir, digest + '.so')
try:
if os.path.exists(sopath):
return CDDL(sopath)
except:
pass
cpath = os.path.join(__tempdir, digest + '.c')
with open(cpath, 'w') as f:
f.write(code)
flags += ['-fPIC', '-shared', '-O3', '-march=native', '-mtune=native',
'-Wall']
if werror:
flags.append('-Werror')
cmd = ['gcc'] + flags + ['-o', sopath, cpath] + libs
p = Popen(cmd, stderr = PIPE)
_, s = p.communicate()
s = s.replace(cpath + ':', '').replace(cpath, '')
if p.returncode <> 0:
log.error('GCC error (%s):' % cpath)
log.trace(s)
sys.exit(p.returncode)
elif s <> '':
log.warning('GCC warning (%s):' % cpath)
log.trace(s)
return CDLL(sopath)
def _compile(code, werror, flags, libs):
digest = md5sumhex(code + str(werror) + str(flags) + str(libs))
if digest in __cache:
return __cache[digest]
sopath = os.path.join(__tempdir, digest + '.so')
try:
if os.path.exists(sopath):
return CDDL(sopath)
except:
pass
cpath = os.path.join(__tempdir, digest + '.c')
with open(cpath, 'w') as f:
f.write(code)
flags += [
'-fPIC', '-shared', '-O3', '-march=native', '-mtune=native', '-Wall'
]
if werror:
flags.append('-Werror')
cmd = ['gcc'] + flags + ['-o', sopath, cpath] + libs
p = Popen(cmd, stderr=PIPE)
_, s = p.communicate()
s = s.replace(cpath + ':', '').replace(cpath, '')
if p.returncode <> 0:
log.error('GCC error (%s):' % cpath)
log.trace(s)
sys.exit(p.returncode)
elif s <> '':
log.warning('GCC warning (%s):' % cpath)
log.trace(s)
return CDLL(sopath)
def wrapper(*args, **kwargs):
import os
from cPickle import load, dump
sig = (str(args), str(kwargs))
t = None
fname = None
file_miss = False
dict_miss = False
try:
if use_mem:
if sig in cache:
t, val = cache[sig]
else:
dict_miss = True
if t == None and use_file:
digest = pwn.md5sumhex(
'.'.join((f.__module__, f.__name__) + sig))
fname = os.path.join(_tempdir(), digest)
try:
if os.path.exists(fname):
with open(fname) as fd:
t, val = load(fd)
else:
file_miss = True
except:
file_miss = True
if t == None:
try:
t, val = _TYPE_VALUE, f(*args, **kwargs)
except Exception as e:
t, val = _TYPE_EXCEPTION, e
raise
if t == _TYPE_VALUE:
return val
else:
raise val
finally:
if t != None:
if dict_miss:
cache[sig] = (t, val)
if file_miss:
try:
with open(fname, 'w') as fd:
dump((t, val), fd)
except:
pass
def wrapper(*args, **kwargs):
import os
from cPickle import load, dump
sig = (str(args), str(kwargs))
t = None
fname = None
file_miss = False
dict_miss = False
try:
if use_mem:
if sig in cache:
t, val = cache[sig]
else:
dict_miss = True
if t == None and use_file:
digest = pwn.md5sumhex('.'.join((f.__module__, f.__name__) + sig))
fname = os.path.join(_tempdir(), digest)
try:
if os.path.exists(fname):
with open(fname) as fd:
t, val = load(fd)
else:
file_miss = True
except:
file_miss = True
if t == None:
try:
t, val = _TYPE_VALUE, f(*args, **kwargs)
except Exception as e:
t, val = _TYPE_EXCEPTION, e
raise
if t == _TYPE_VALUE:
return val
else:
raise val
finally:
if t != None:
if dict_miss:
cache[sig] = (t, val)
if file_miss:
try:
with open(fname, 'w') as fd:
dump((t, val), fd)
except:
pass