def main(argv):
# Initialize new external memory list.
util.msg('Populating external memory list')
t1 = time.time()
dirname = util.make_temp_name('em_list')
em_list = pyrsistence.EMList(dirname)
for i in xrange(0x1000):
em_list.append(random.randrange(0x100000))
t2 = time.time()
util.msg('Done in %d sec.' % (t2 - t1))
# Request several iterator objects to locate possible memory leaks.
util.msg('Testing iterator')
for i in xrange(0x1000):
for item in em_list:
pass
t3 = time.time()
util.msg('Done in %d sec.' % (t3 - t2))
# Close and remove external memory list from disk.
em_list.close()
shutil.rmtree(dirname)
return 0
def main(argv):
# Initialize new external memory list.
util.msg('Populating normal and external memory list')
t1 = time.time()
dirname = util.make_temp_name('em_list')
l = []
em_list = pyrsistence.EMList(dirname)
for i in util.xrange(0x1000000):
v = random.randrange(0x1000000)
em_list.append(v)
l.append(v)
t2 = time.time()
util.msg('Done in %d sec.' % (t2 - t1))
util.msg('Verifying external memory list contents')
for i in util.xrange(0x1000000):
if em_list[i] != l[i]:
util.msg(
'FATAL! Mismatch in element %d: Got %#x but expected %#x' %
(i, em_list[i], l[i]))
t3 = time.time()
util.msg('Done in %d sec.' % (t3 - t2))
# Close and remove external memory list from disk.
em_list.close()
shutil.rmtree(dirname)
return 0
def main(argv):
# Initialize new external memory list.
util.msg('Populating external memory list')
t1 = time.time()
dirname = util.make_temp_name('em_list')
em_list = pyrsistence.EMList(dirname)
for i in xrange(0x1000000):
em_list.append(i)
t2 = time.time()
util.msg('Done in %d sec.' % (t2 - t1))
# Close and remove external memory list from disk.
em_list.close()
shutil.rmtree(dirname)
return 0
def __init__(self, dirname, start_address, end_address):
'''
:param dirname: Directory where the shadow memory will be stored.
:param start_address: Address of first byte in shadow memory.
:param end_address: Address of last byte in shadow memory.
'''
# Compute size of shadow memory.
size = end_address - start_address + 1
# Initialize external memory list holding the shadow memory contents and
# mark all elements as unanalyzed.
shadow = pyrsistence.EMList(dirname)
while len(shadow) < size:
shadow.append(M_NONE)
self.start_address = start_address
self.end_address = end_address
self.size = end_address - start_address + 1
self.dirname = dirname
self.shadow = shadow
def _make_shadow_memory(self, dirname, memory_range):
'''
Make shadow memory for the given memory range.
:param dirname: Directory where external memory list will be stored. The
directory is created if it does not exist.
:param memory_range: Memory range to be shadowed.
:returns: External memory list holding *memory_range*'s shadow bytes.
:rtype: ``pyrsistence.EMList``
.. warning:: This is a private function, don't use it directly.
'''
start_address, end_address = memory_range
filename = '%s/%#x-%#x' % (dirname, start_address, end_address)
shadow = pyrsistence.EMList(filename)
size = end_address - start_address + 1
while len(shadow) < size:
shadow.append(M_NONE)
return shadow