alpha/kernel/signal.c

122 # error "Non SA_SIGINFO frame needs rearranging"
139    frame will break.  Do not undertake lightly.  It also implies an ABI
233 do_rt_sigreturn(struct rt_sigframe __user *frame)
239 	if (!access_ok(&frame->uc, sizeof(frame->uc)))
241 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
246 	if (restore_sigcontext(&frame->uc.uc_mcontext, regs))
262  * Set up a signal frame.
332 	struct sigframe __user *frame;
335 	frame = get_sigframe(ksig, oldsp, sizeof(*frame));
336 	if (!access_ok(frame, sizeof(*frame)))
339 	err |= setup_sigcontext(&frame->sc, regs, set->sig[0], oldsp);
347 		err |= __put_user(INSN_MOV_R30_R16, frame->retcode+0);
348 		err |= __put_user(INSN_LDI_R0+__NR_sigreturn, frame->retcode+1);
349 		err |= __put_user(INSN_CALLSYS, frame->retcode+2);
351 		r26 = (unsigned long) frame->retcode;
363 	regs->r18 = (unsigned long) &frame->sc;	/* a2: sigcontext pointer */
364 	wrusp((unsigned long) frame);
368 		current->comm, current->pid, frame, regs->pc, regs->r26);
377 	struct rt_sigframe __user *frame;
380 	frame = get_sigframe(ksig, oldsp, sizeof(*frame));
381 	if (!access_ok(frame, sizeof(*frame)))
384 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);
387 	err |= __put_user(0, &frame->uc.uc_flags);
388 	err |= __put_user(0, &frame->uc.uc_link);
389 	err |= __put_user(set->sig[0], &frame->uc.uc_osf_sigmask);
390 	err |= __save_altstack(&frame->uc.uc_stack, oldsp);
391 	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs,
393 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
401 		err |= __put_user(INSN_MOV_R30_R16, frame->retcode+0);
403 				  frame->retcode+1);
404 		err |= __put_user(INSN_CALLSYS, frame->retcode+2);
406 		r26 = (unsigned long) frame->retcode;
416 	regs->r17 = (unsigned long) &frame->info; /* a1: siginfo pointer */
417 	regs->r18 = (unsigned long) &frame->uc;	  /* a2: ucontext pointer */
418 	wrusp((unsigned long) frame);
422 		current->comm, current->pid, frame, regs->pc, regs->r26);