31 static int preserve_iwmmxt_context(struct iwmmxt_sigframe __user *frame)  in preserve_iwmmxt_context()  argument
33 	char kbuf[sizeof(*frame) + 8];  in preserve_iwmmxt_context()
57 	err = __copy_to_user(frame, kframe, sizeof(*kframe));  in preserve_iwmmxt_context()
64 	struct iwmmxt_sigframe __user *frame =  in restore_iwmmxt_context()  local
66 	char kbuf[sizeof(*frame) + 8];  in restore_iwmmxt_context()
71 	if (__copy_from_user(kframe, frame, sizeof(*frame)))  in restore_iwmmxt_context()
102 static int preserve_vfp_context(struct vfp_sigframe __user *frame)  in preserve_vfp_context()  argument
115 	return __copy_to_user(frame, &kframe, sizeof(kframe));  in preserve_vfp_context()
120 	struct vfp_sigframe frame;  in restore_vfp_context()  local
123 	err = __copy_from_user(&frame, *auxp, sizeof(frame));  in restore_vfp_context()
127 	if (frame.magic != VFP_MAGIC || frame.size != VFP_STORAGE_SIZE)  in restore_vfp_context()
130 	*auxp += sizeof(frame);  in restore_vfp_context()
131 	return vfp_restore_user_hwstate(&frame.ufp, &frame.ufp_exc);  in restore_vfp_context()
189 	struct sigframe __user *frame;  in sys_sigreturn()  local
202 	frame = (struct sigframe __user *)regs->ARM_sp;  in sys_sigreturn()
204 	if (!access_ok(frame, sizeof (*frame)))  in sys_sigreturn()
207 	if (restore_sigframe(regs, frame))  in sys_sigreturn()
219 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()  local
232 	frame = (struct rt_sigframe __user *)regs->ARM_sp;  in sys_rt_sigreturn()
234 	if (!access_ok(frame, sizeof (*frame)))  in sys_rt_sigreturn()
237 	if (restore_sigframe(regs, &frame->sig))  in sys_rt_sigreturn()
240 	if (restore_altstack(&frame->sig.uc.uc_stack))  in sys_rt_sigreturn()
304 	void __user *frame;  in get_sigframe()  local
309 	frame = (void __user *)((sp - framesize) & ~7);  in get_sigframe()
314 	if (!access_ok(frame, framesize))  in get_sigframe()
315 		frame = NULL;  in get_sigframe()
317 	return frame;  in get_sigframe()
322 	     unsigned long __user *rc, void __user *frame)  in setup_return()  argument
436 	regs->ARM_sp = (unsigned long)frame;  in setup_return()
449 	struct sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_frame()  local
452 	if (!frame)  in setup_frame()
458 	err = __put_user(0x5ac3c35a, &frame->uc.uc_flags);  in setup_frame()
460 	err |= setup_sigframe(frame, regs, set);  in setup_frame()
462 		err = setup_return(regs, ksig, frame->retcode, frame);  in setup_frame()
470 	struct rt_sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()  local
473 	if (!frame)  in setup_rt_frame()
476 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
478 	err |= __put_user(0, &frame->sig.uc.uc_flags);  in setup_rt_frame()
479 	err |= __put_user(NULL, &frame->sig.uc.uc_link);  in setup_rt_frame()
481 	err |= __save_altstack(&frame->sig.uc.uc_stack, regs->ARM_sp);  in setup_rt_frame()
482 	err |= setup_sigframe(&frame->sig, regs, set);  in setup_rt_frame()
484 		err = setup_return(regs, ksig, frame->sig.retcode, frame);  in setup_rt_frame()
492 		regs->ARM_r1 = (unsigned long)&frame->info;  in setup_rt_frame()
493 		regs->ARM_r2 = (unsigned long)&frame->sig.uc;  in setup_rt_frame()