30 static int preserve_crunch_context(struct crunch_sigframe __user *frame)  in preserve_crunch_context()  argument
32 	char kbuf[sizeof(*frame) + 8];  in preserve_crunch_context()
40 	return __copy_to_user(frame, kframe, sizeof(*frame));  in preserve_crunch_context()
43 static int restore_crunch_context(struct crunch_sigframe __user *frame)  in restore_crunch_context()  argument
45 	char kbuf[sizeof(*frame) + 8];  in restore_crunch_context()
50 	if (__copy_from_user(kframe, frame, sizeof(*frame)))  in restore_crunch_context()
62 static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame)  in preserve_iwmmxt_context()  argument
64 	char kbuf[sizeof(*frame) + 8];  in preserve_iwmmxt_context()
72 	return __copy_to_user(frame, kframe, sizeof(*frame));  in preserve_iwmmxt_context()
75 static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)  in restore_iwmmxt_context()  argument
77 	char kbuf[sizeof(*frame) + 8];  in restore_iwmmxt_context()
82 	if (__copy_from_user(kframe, frame, sizeof(*frame)))  in restore_iwmmxt_context()
95 static int preserve_vfp_context(struct vfp_sigframe __user *frame)  in preserve_vfp_context()  argument
101 	__put_user_error(magic, &frame->magic, err);  in preserve_vfp_context()
102 	__put_user_error(size, &frame->size, err);  in preserve_vfp_context()
107 	return vfp_preserve_user_clear_hwstate(&frame->ufp, &frame->ufp_exc);  in preserve_vfp_context()
110 static int restore_vfp_context(struct vfp_sigframe __user *frame)  in restore_vfp_context()  argument
116 	__get_user_error(magic, &frame->magic, err);  in restore_vfp_context()
117 	__get_user_error(size, &frame->size, err);  in restore_vfp_context()
124 	return vfp_restore_user_hwstate(&frame->ufp, &frame->ufp_exc);  in restore_vfp_context()
191 	struct sigframe __user *frame;  in sys_sigreturn()  local
204 	frame = (struct sigframe __user *)regs->ARM_sp;  in sys_sigreturn()
206 	if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))  in sys_sigreturn()
209 	if (restore_sigframe(regs, frame))  in sys_sigreturn()
221 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()  local
234 	frame = (struct rt_sigframe __user *)regs->ARM_sp;  in sys_rt_sigreturn()
236 	if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))  in sys_rt_sigreturn()
239 	if (restore_sigframe(regs, &frame->sig))  in sys_rt_sigreturn()
242 	if (restore_altstack(&frame->sig.uc.uc_stack))  in sys_rt_sigreturn()
305 	void __user *frame;  in get_sigframe()  local
310 	frame = (void __user *)((sp - framesize) & ~7);  in get_sigframe()
315 	if (!access_ok(VERIFY_WRITE, frame, framesize))  in get_sigframe()
316 		frame = NULL;  in get_sigframe()
318 	return frame;  in get_sigframe()
323 	     unsigned long __user *rc, void __user *frame)  in setup_return()  argument
408 	regs->ARM_sp = (unsigned long)frame;  in setup_return()
419 	struct sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_frame()  local
422 	if (!frame)  in setup_frame()
428 	__put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err);  in setup_frame()
430 	err |= setup_sigframe(frame, regs, set);  in setup_frame()
432 		err = setup_return(regs, ksig, frame->retcode, frame);  in setup_frame()
440 	struct rt_sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()  local
443 	if (!frame)  in setup_rt_frame()
446 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
448 	__put_user_error(0, &frame->sig.uc.uc_flags, err);  in setup_rt_frame()
449 	__put_user_error(NULL, &frame->sig.uc.uc_link, err);  in setup_rt_frame()
451 	err |= __save_altstack(&frame->sig.uc.uc_stack, regs->ARM_sp);  in setup_rt_frame()
452 	err |= setup_sigframe(&frame->sig, regs, set);  in setup_rt_frame()
454 		err = setup_return(regs, ksig, frame->sig.retcode, frame);  in setup_rt_frame()
462 		regs->ARM_r1 = (unsigned long)&frame->info;  in setup_rt_frame()
463 		regs->ARM_r2 = (unsigned long)&frame->sig.uc;  in setup_rt_frame()