MAX_REG_NR
unsigned long exec_regs[MAX_REG_NR];
for (i = 0; i < MAX_REG_NR; i++)
static unsigned long syscall_regs[MAX_REG_NR];
unsigned long regs[MAX_REG_NR];
extern unsigned long exec_regs[MAX_REG_NR];
unsigned long gp[MAX_REG_NR];