# SWI_SPARSE = 0x1 """sparse switch ( value table present ) otherwise lowcase present""" SWI_V32 = 0x2 """32-bit values in table""" SWI_J32 = 0x4 """32-bit jump offsets""" SWI_VSPLIT = 0x8 """value table is split (only for 32-bit values)""" SWI_DEFAULT = 0x10 """default case is present""" SWI_END_IN_TBL = 0x20 """switchend in table (default entry)""" SWI_JMP_INV = 0x40 """jumptable is inversed (last entry is for first entry in values table)""" SWI_SHIFT_MASK = 0x180 """use formula (element*shift + elbase) to find jump targets""" SWI_ELBASE = 0x200 """elbase is present (if not and shift!=0, endof(jumpea) is used)""" SWI_JSIZE = 0x400 """jump offset expansion bit""" SWI_VSIZE = 0x800 """value table element size expansion bit""" SWI_SEPARATE = 0x1000 """do not create an array of individual dwords""" SWI_SIGNED = 0x2000 """jump table entries are signed""" SWI_CUSTOM = 0x4000 """custom jump table - ph.create_switch_xrefs will be called to create code xrefs for the table. it must return 2. custom jump table must be created by the module""" SWI_EXTENDED = 0x8000 """this is switch_info_ex_t""" SWI2_INDIRECT = 0x0001 """value table elements are used as indexes into the jump table""" SWI2_SUBTRACT = 0x0002 """table values are subtracted from the elbase instead of being addded""" # -------------------------------------------------------------------------- class switch_info_ex_t(py_clinked_object_t): def __init__(self, lnk = None): py_clinked_object_t.__init__(self, lnk) def _create_clink(self): return _idaapi.switch_info_ex_t_create() def _del_clink(self, lnk): return _idaapi.switch_info_ex_t_destroy(lnk) def assign(self, other): return _idaapi.switch_info_ex_t_assign(self, other) def is_indirect(self): return (self.flags & SWI_EXTENDED) != 0 and (self.flags2 & SWI2_INDIRECT) != 0 def is_subtract(self): return (self.flags & SWI_EXTENDED) != 0 and (self.flags2 & SWI2_SUBTRACT) != 0 def get_jtable_size(self): return self.jcases if self.is_indirect() else self.ncases def get_lowcase(self): return self.ind_lowcase if self.is_indirect() else self.lowcase def set_expr(self, r, dt): self.regnum = r self.regdtyp = dt def get_shift(self): return (self.flags & SWI_SHIFT_MASK) >> 7 def set_shift(self, shift): self.flags &= ~SWI_SHIFT_MASK self.flags |= ((shift & 3) << 7) def get_jtable_element_size(self): code = self.flags & (SWI_J32|SWI_JSIZE) if code == 0: return 2 elif code == SWI_J32: return 4 elif code == SWI_JSIZE: return 1 else: return 8 def set_jtable_element_size(self, size): self.flags &= ~(SWI_J32|SWI_JSIZE) if size == 4: self.flags |= SWI_J32 elif size == 1: self.flags |= SWI_JSIZE elif size == 8: self.flags |= SWI_J32|SWI_JSIZE elif size != 2: return False return True def get_vtable_element_size(self): code = self.flags & (SWI_V32|SWI_VSIZE) if code == 0: return 2 elif code == SWI_V32: return 4 elif code == SWI_VSIZE: return 1 return 8 def set_vtable_element_size(self, size): self.flags &= ~SWI_V32|SWI_VSIZE if size == 4: self.flags |= SWI_V32 elif size == 1: self.flags |= SWI_VSIZE elif size == 8: self.flags |= SWI_V32|SWI_VSIZE elif size != 2: return False return True # # Autogenerated # def __get_regdtyp__(self): return _idaapi.switch_info_ex_t_get_regdtyp(self) def __set_regdtyp__(self, v): _idaapi.switch_info_ex_t_set_regdtyp(self, v) def __get_flags2__(self): return _idaapi.switch_info_ex_t_get_flags2(self) def __set_flags2__(self, v): _idaapi.switch_info_ex_t_set_flags2(self, v) def __get_jcases__(self): return _idaapi.switch_info_ex_t_get_jcases(self) def __set_jcases__(self, v): _idaapi.switch_info_ex_t_set_jcases(self, v) def __get_regnum__(self): return _idaapi.switch_info_ex_t_get_regnum(self) def __set_regnum__(self, v): _idaapi.switch_info_ex_t_set_regnum(self, v) def __get_flags__(self): return _idaapi.switch_info_ex_t_get_flags(self) def __set_flags__(self, v): _idaapi.switch_info_ex_t_set_flags(self, v) def __get_ncases__(self): return _idaapi.switch_info_ex_t_get_ncases(self) def __set_ncases__(self, v): _idaapi.switch_info_ex_t_set_ncases(self, v) def __get_defjump__(self): return _idaapi.switch_info_ex_t_get_defjump(self) def __set_defjump__(self, v): _idaapi.switch_info_ex_t_set_defjump(self, v) def __get_jumps__(self): return _idaapi.switch_info_ex_t_get_jumps(self) def __set_jumps__(self, v): _idaapi.switch_info_ex_t_set_jumps(self, v) def __get_elbase__(self): return _idaapi.switch_info_ex_t_get_elbase(self) def __set_elbase__(self, v): _idaapi.switch_info_ex_t_set_elbase(self, v) def __get_startea__(self): return _idaapi.switch_info_ex_t_get_startea(self) def __set_startea__(self, v): _idaapi.switch_info_ex_t_set_startea(self, v) def __get_custom__(self): return _idaapi.switch_info_ex_t_get_custom(self) def __set_custom__(self, v): _idaapi.switch_info_ex_t_set_custom(self, v) def __get_ind_lowcase__(self): return _idaapi.switch_info_ex_t_get_ind_lowcase(self) def __set_ind_lowcase__(self, v): _idaapi.switch_info_ex_t_set_ind_lowcase(self, v) def __get_values_lowcase__(self): return _idaapi.switch_info_ex_t_get_values_lowcase(self) def __set_values_lowcase__(self, v): _idaapi.switch_info_ex_t_set_values_lowcase(self, v) regdtyp = property(__get_regdtyp__, __set_regdtyp__) """size of the switch expression register as dtyp""" flags2 = property(__get_flags2__, __set_flags2__) jcases = property(__get_jcases__, __set_jcases__) """number of entries in the jump table (SWI2_INDIRECT)""" regnum = property(__get_regnum__, __set_regnum__) """the switch expression as a register number""" flags = property(__get_flags__, __set_flags__) """the switch expression as a register number""" ncases = property(__get_ncases__, __set_ncases__) """number of cases (excluding default)""" defjump = property(__get_defjump__, __set_defjump__) """default jump address""" jumps = property(__get_jumps__, __set_jumps__) """jump table address""" elbase = property(__get_elbase__, __set_elbase__) """element base""" startea = property(__get_startea__, __set_startea__) """start of switch idiom""" custom = property(__get_custom__, __set_custom__) """information for custom tables (filled and used by modules)""" ind_lowcase = property(__get_ind_lowcase__, __set_ind_lowcase__) values = property(__get_values_lowcase__, __set_values_lowcase__) lowcase = property(__get_values_lowcase__, __set_values_lowcase__) #