greg_t
typedef greg_t gregset_t[NGREG];
greg_t __user *gregs = uc->uc_mcontext.gregs;
greg_t __user *gregs = uc->uc_mcontext.gregs;
static greg_t *ssptr(ucontext_t *ctx)
static greg_t *csptr(ucontext_t *ctx)
greg_t asm_ss = ctx->uc_mcontext.gregs[REG_CX];
greg_t req = requested_regs[i], res = resulting_regs[i];