29 static int preserve_crunch_context(struct crunch_sigframe __user *frame)  in preserve_crunch_context()  argument
31 	char kbuf[sizeof(*frame) + 8];  in preserve_crunch_context()
39 	return __copy_to_user(frame, kframe, sizeof(*frame));  in preserve_crunch_context()
44 	struct crunch_sigframe __user *frame =  in restore_crunch_context()  local
46 	char kbuf[sizeof(*frame) + 8];  in restore_crunch_context()
51 	if (__copy_from_user(kframe, frame, sizeof(*frame)))  in restore_crunch_context()
64 static int preserve_iwmmxt_context(struct iwmmxt_sigframe __user *frame)  in preserve_iwmmxt_context()  argument
66 	char kbuf[sizeof(*frame) + 8];  in preserve_iwmmxt_context()
90 	err = __copy_to_user(frame, kframe, sizeof(*kframe));  in preserve_iwmmxt_context()
97 	struct iwmmxt_sigframe __user *frame =  in restore_iwmmxt_context()  local
99 	char kbuf[sizeof(*frame) + 8];  in restore_iwmmxt_context()
104 	if (__copy_from_user(kframe, frame, sizeof(*frame)))  in restore_iwmmxt_context()
135 static int preserve_vfp_context(struct vfp_sigframe __user *frame)  in preserve_vfp_context()  argument
148 	return __copy_to_user(frame, &kframe, sizeof(kframe));  in preserve_vfp_context()
153 	struct vfp_sigframe frame;  in restore_vfp_context()  local
156 	err = __copy_from_user(&frame, *auxp, sizeof(frame));  in restore_vfp_context()
160 	if (frame.magic != VFP_MAGIC || frame.size != VFP_STORAGE_SIZE)  in restore_vfp_context()
163 	*auxp += sizeof(frame);  in restore_vfp_context()
164 	return vfp_restore_user_hwstate(&frame.ufp, &frame.ufp_exc);  in restore_vfp_context()
226 	struct sigframe __user *frame;  in sys_sigreturn()  local
239 	frame = (struct sigframe __user *)regs->ARM_sp;  in sys_sigreturn()
241 	if (!access_ok(frame, sizeof (*frame)))  in sys_sigreturn()
244 	if (restore_sigframe(regs, frame))  in sys_sigreturn()
256 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()  local
269 	frame = (struct rt_sigframe __user *)regs->ARM_sp;  in sys_rt_sigreturn()
271 	if (!access_ok(frame, sizeof (*frame)))  in sys_rt_sigreturn()
274 	if (restore_sigframe(regs, &frame->sig))  in sys_rt_sigreturn()
277 	if (restore_altstack(&frame->sig.uc.uc_stack))  in sys_rt_sigreturn()
345 	void __user *frame;  in get_sigframe()  local
350 	frame = (void __user *)((sp - framesize) & ~7);  in get_sigframe()
353 	 * Check that we can actually write to the signal frame.  in get_sigframe()
355 	if (!access_ok(frame, framesize))  in get_sigframe()
356 		frame = NULL;  in get_sigframe()
358 	return frame;  in get_sigframe()
363 	     unsigned long __user *rc, void __user *frame)  in setup_return()  argument
477 	regs->ARM_sp = (unsigned long)frame;  in setup_return()
490 	struct sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_frame()  local
493 	if (!frame)  in setup_frame()
499 	err = __put_user(0x5ac3c35a, &frame->uc.uc_flags);  in setup_frame()
501 	err |= setup_sigframe(frame, regs, set);  in setup_frame()
503 		err = setup_return(regs, ksig, frame->retcode, frame);  in setup_frame()
511 	struct rt_sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()  local
514 	if (!frame)  in setup_rt_frame()
517 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
519 	err |= __put_user(0, &frame->sig.uc.uc_flags);  in setup_rt_frame()
520 	err |= __put_user(NULL, &frame->sig.uc.uc_link);  in setup_rt_frame()
522 	err |= __save_altstack(&frame->sig.uc.uc_stack, regs->ARM_sp);  in setup_rt_frame()
523 	err |= setup_sigframe(&frame->sig, regs, set);  in setup_rt_frame()
525 		err = setup_return(regs, ksig, frame->sig.retcode, frame);  in setup_rt_frame()
533 		regs->ARM_r1 = (unsigned long)&frame->info;  in setup_rt_frame()
534 		regs->ARM_r2 = (unsigned long)&frame->sig.uc;  in setup_rt_frame()
549 	 * Perform fixup for the pre-signal frame.  in handle_signal()
554 	 * Set up the stack frame  in handle_signal()