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 20