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python: support uc_mem_regions() API

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Nguyen Anh Quynh 2017-01-24 12:47:27 +08:00
parent e4c7c3dbe4
commit a735576dd3
1 changed files with 24 additions and 0 deletions
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24
bindings/python/unicorn/unicorn.py
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@ -105,6 +105,14 @@ uc_engine = ctypes.c_void_p
uc_context = ctypes.c_void_p
uc_hook_h = ctypes.c_size_t
class _uc_mem_region(ctypes.Structure):
_fields_ = [
("begin", ctypes.c_uint64),
("end", ctypes.c_uint64),
("perms", ctypes.c_uint32),
]
_setup_prototype(_uc, "uc_version", ctypes.c_uint, ctypes.POINTER(ctypes.c_int), ctypes.POINTER(ctypes.c_int))
_setup_prototype(_uc, "uc_arch_supported", ctypes.c_bool, ctypes.c_int)
_setup_prototype(_uc, "uc_open", ucerr, ctypes.c_uint, ctypes.c_uint, ctypes.POINTER(uc_engine))
@ -127,6 +135,7 @@ _setup_prototype(_uc, "uc_context_alloc", ucerr, uc_engine, ctypes.POINTER(uc_co
_setup_prototype(_uc, "uc_free", ucerr, ctypes.c_void_p)
_setup_prototype(_uc, "uc_context_save", ucerr, uc_engine, uc_context)
_setup_prototype(_uc, "uc_context_restore", ucerr, uc_engine, uc_context)
_setup_prototype(_uc, "uc_mem_regions", ucerr, uc_engine, ctypes.POINTER(ctypes.POINTER(_uc_mem_region)), ctypes.POINTER(ctypes.c_uint32))
# uc_hook_add is special due to variable number of arguments
_uc.uc_hook_add = _uc.uc_hook_add
@ -508,6 +517,21 @@ class Uc(object):
if status != uc.UC_ERR_OK:
raise UcError(status)
# this returns a generator of regions in the form (begin, end, perms)
def mem_regions(self):
regions = ctypes.POINTER(_uc_mem_region)()
count = ctypes.c_uint32()
status = _uc.uc_mem_regions(self._uch, ctypes.byref(regions), ctypes.byref(count))
if status != uc.UC_ERR_OK:
raise UcError(status)
try:
for i in range(count.value):
yield (regions[i].begin, regions[i].end, regions[i].perms)
finally:
_uc.uc_free(regions)
class SavedContext(object):
def __init__(self, pointer):
self.pointer = pointer