Python idaapi.is_call_insn方法代碼示例

# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import is_call_insn [as 別名]
def enum_calls_in_function(fva):
    '''
    yield the call instructions in the given function.
    
    Args:
      fva (int): the starting address of a function
    
    Returns:
      sequence[tuple[int, str]]: the address of a call instruction, and the disassembly line at that address
    '''
    for ea in enum_function_addrs(fva):
        if idaapi.is_call_insn(ea):
            disasm = ida_lines.generate_disassembly(ea, 16, True, False)[1][0]
            # replace consequent whitespaces by a single whitespaces
            disasm = re.sub("\s\s+", " ", disasm)
            yield ea, disasm 

# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import is_call_insn [as 別名]
def IsPrevInsnCall(ea):
    """
    Given a return address, this function tries to check if previous instruction
    is a CALL instruction
    """
    global CallPattern
    if ea == idaapi.BADADDR or ea < 10:
        return None

    for delta, opcodes in CallPattern:
        # assume caller's ea
        caller = ea + delta
        # get the bytes
        bytes = [x for x in GetDataList(caller, len(opcodes), 1)]
        # do we have a match? is it a call instruction?
        if bytes == opcodes and idaapi.is_call_insn(caller):
            return caller
    return None

# ----------------------------------------------------------------------- 

# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import is_call_insn [as 別名]
def is_call(self):
        """Is the instruction a call instruction."""
        return idaapi.is_call_insn(self._insn) 

# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import is_call_insn [as 別名]
def is_call(cls, ea):
        '''Returns true if the instruction at `ea` is a call.'''
        ea = interface.address.inside(ea)
        if idaapi.__version__ < 7.0 and hasattr(idaapi, 'is_call_insn'):
            idaapi.decode_insn(ea)
            return idaapi.is_call_insn(ea)

        F = feature(ea)
        return database.is_code(ea) and (feature(ea) & idaapi.CF_CALL == idaapi.CF_CALL) 

# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import is_call_insn [as 別名]
def graph_down(ea, path=set()):
    """
    Recursively collect all function calls.

    Copied with minor modifications from
    http://hooked-on-mnemonics.blogspot.com/2012/07/renaming-subroutine-blocks-and.html
    """
    path.add(ea)

    #
    # extract all the call instructions from the current function
    #

    call_instructions = []
    instruction_info = idaapi.insn_t()
    for address in idautils.FuncItems(ea):

        # decode the instruction
        if not idaapi.decode_insn(instruction_info, address):
            continue

        # check if this instruction is a call
        if not idaapi.is_call_insn(instruction_info):
            continue

        # save this address as a call instruction
        call_instructions.append(address)

    #
    # iterate through all the instructions in the target function (ea) and
    # inspect all the call instructions
    #

    for x in call_instructions:

        #  TODO
        for r in idautils.XrefsFrom(x, idaapi.XREF_FAR):
            #print(0x%08X" % h, "--calls-->", "0x%08X" % r.to)
            if not r.iscode:
                continue

            # get the function pointed at by this call
            func = idaapi.get_func(r.to)
            if not func:
                continue

            # ignore calls to imports / library calls / thunks
            if (func.flags & (idaapi.FUNC_THUNK | idaapi.FUNC_LIB)) != 0:
                continue

            #
            # if we have not traversed to the destination function that this
            # call references, recurse down to it to continue our traversal
            #

            if r.to not in path:
                graph_down(r.to, path)

    return path