PT_DSCR
if (regno == PT_DSCR)
if (regno == PT_DSCR)
BUILD_BUG_ON(PT_DSCR < sizeof(struct user_pt_regs) / sizeof(unsigned long));
ucp->uc_mcontext.gp_regs[PT_DSCR] = random();
ucp->uc_link->uc_mcontext.gp_regs[PT_DSCR] = random();