PSR_C
return (regs->psr & PSR_C) ? true : false;
regs->psr |= PSR_C;
regs->psr &= ~PSR_C;
regs->psr |= PSR_C;
if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) {