本文整理汇总了Python中miasm2.analysis.machine.Machine.sizeof_pointer方法的典型用法代码示例。如果您正苦于以下问题：Python Machine.sizeof_pointer方法的具体用法？Python Machine.sizeof_pointer怎么用？Python Machine.sizeof_pointer使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类miasm2.analysis.machine.Machine的用法示例。
在下文中一共展示了Machine.sizeof_pointer方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Snapshot
# 需要导入模块: from miasm2.analysis.machine import Machine [as 别名]
# 或者: from miasm2.analysis.machine.Machine import sizeof_pointer [as 别名]
class Snapshot(object):
@classmethod
def get_byte(cls, value, byte):
'''Return the byte @byte of the value'''
return struct.pack('@B', (value & (0xFF << (8 * byte))) >> (8 * byte))
@classmethod
def unpack_ptr(cls, value):
return struct.unpack('@P', value)[0]
def __init__(self, abicls, machine):
self.abicls = abicls
self.input_reg = {}
self.output_reg = {}
self._previous_addr = 0
self._current_addr = 0
self._instr_count = 0
self._pending_call = []
# Function addr -> list of information on calls
self.function_calls = {}
self.paths = DiGraph()
self.in_memory = {}
self.out_memory = {}
self._ira = Machine(machine).ira()
self._ptr_size = self._ira.sizeof_pointer()/8
self.sp = self._ira.sp.name
def add_input_register(self, reg_name, reg_value):
self.input_reg[reg_name] = reg_value
def add_output_register(self, reg_name, reg_value):
self.output_reg[reg_name] = reg_value
def add_memory_read(self, address, size, value):
for i in xrange(size):
self.out_memory[address + i] = MemoryAccess(1,
Snapshot.get_byte(value, i),
0, # Output access never used
)
if address + i not in self.in_memory:
self.in_memory[address + i] = MemoryAccess(1,
Snapshot.get_byte(value, i),
PAGE_READ,
)
else:
self.in_memory[address + i].access |= PAGE_READ
def add_memory_write(self, address, size, value):
for i in xrange(size):
self.out_memory[address + i] = MemoryAccess(1,
Snapshot.get_byte(value, i),
0, # Output access never used
)
if address + i not in self.in_memory:
self.in_memory[address + i] = MemoryAccess(1,
"\x00",
# The value is
# not used by the
# test
PAGE_WRITE,
)
else:
self.in_memory[address + i].access |= PAGE_WRITE
def add_executed_instruction(self, address):
'''
Function called to signal that the address has been executed
This function has to be called in the order of their executed instruction
Else paths can not be updated correctly
'''
self._previous_addr = self._current_addr
self._current_addr = address
self.paths.add_uniq_edge(self._previous_addr, self._current_addr)
self._instr_count += 1
# Resolve call destination
if (self._pending_call and
self._previous_addr == self._pending_call[-1]["caller_addr"]):
info = self._pending_call[-1]
info["dest"] = address
info["beg"] = self._instr_count
def add_call(self, caller_addr, stack_ptr):
'''
Function call, target is not determined yet
called *before* instruction execution
'''
info = {"stack_ptr": stack_ptr,
"caller_addr": caller_addr,
}
#.........这里部分代码省略.........