* Do a signal return; undo the signal stack. These are aligned to 64-bit.
*/
struct sigframe {
- struct sigcontext sc;
- unsigned long extramask[_NSIG_WORDS-1];
+ struct ucontext uc;
unsigned long retcode[2];
struct aux_sigframe aux __attribute__((aligned(8)));
};
struct rt_sigframe {
- struct siginfo __user *pinfo;
- void __user *puc;
struct siginfo info;
struct ucontext uc;
unsigned long retcode[2];
if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))
goto badframe;
- if (__get_user(set.sig[0], &frame->sc.oldmask)
- || (_NSIG_WORDS > 1
- && __copy_from_user(&set.sig[1], &frame->extramask,
- sizeof(frame->extramask))))
+ if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
recalc_sigpending();
spin_unlock_irq(¤t->sighand->siglock);
- if (restore_sigcontext(regs, &frame->sc, &frame->aux))
+ if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &frame->aux))
goto badframe;
/* Send SIGTRAP if we're single-stepping */
if (!frame)
return 1;
- err |= setup_sigcontext(&frame->sc, &frame->aux, regs, set->sig[0]);
-
- if (_NSIG_WORDS > 1) {
- err |= __copy_to_user(frame->extramask, &set->sig[1],
- sizeof(frame->extramask));
- }
+ err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->aux, regs, set->sig[0]);
+ err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err == 0)
err = setup_return(regs, ka, frame->retcode, frame, usig);
if (!frame)
return 1;
- __put_user_error(&frame->info, &frame->pinfo, err);
- __put_user_error(&frame->uc, &frame->puc, err);
err |= copy_siginfo_to_user(&frame->info, info);
__put_user_error(0, &frame->uc.uc_flags, err);