Symbol: sib_index
sys/amd64/amd64/db_disasm.c
981
#define sib_index(rex, byte) ((((byte)>>3)&0x7) | (rex & REX_X ? 0x8 : 0x0))
sys/i386/i386/db_disasm.c
876
#define sib_index(byte) (((byte)>>3)&0x7)