1#undef __WORDSIZE
 2#define __WORDSIZE 32
 3#define EBX 0
 4#define ECX 1
 5#define EDX 2
 6#define ESI 3
 7#define EDI 4
 8#define EBP 5
 9#define EAX 6
10#define DS 7
11#define ES 8
12#define FS 9
13#define GS 10
14#define ORIG_EAX 11
15#define EIP 12
16#define CS 13
17#define EFL 14
18#define UESP 15
19#define SS 16