idc.py 文件源码

def SetSegDefReg(ea, reg, value):
    """
    Set default segment register value for a segment

    @param ea: any address in the segment
               if no segment is present at the specified address
               then all segments will be affected
    @param reg: name of segment register
    @param value: default value of the segment register. -1-undefined.
    """
    seg = idaapi.getseg(ea)

    reg = idaapi.str2reg(reg);
    if seg and reg >= 0:
        return idaapi.SetDefaultRegisterValue(seg, reg, value)
    else:
        return False