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