88 static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set)  in put_sigset_t()
94 			       const compat_sigset_t __user *uset)  in get_sigset_t()
103 		struct mcontext __user *frame)  in save_general_regs()
128 		struct mcontext __user *sr)  in restore_general_regs()
146 static inline int put_sigset_t(sigset_t __user *uset, sigset_t *set)  in put_sigset_t()
151 static inline int get_sigset_t(sigset_t *set, const sigset_t __user *uset)  in get_sigset_t()
157 #define from_user_ptr(p)	((void __user *)(p))
160 		struct mcontext __user *frame)  in save_general_regs()
167 		struct mcontext __user *sr)  in restore_general_regs()
239 unsigned long copy_fpr_to_user(void __user *to,  in copy_fpr_to_user()
253 				 void __user *from)  in copy_fpr_from_user()
267 unsigned long copy_vsx_to_user(void __user *to,  in copy_vsx_to_user()
280 				 void __user *from)  in copy_vsx_from_user()
293 unsigned long copy_ckfpr_to_user(void __user *to,  in copy_ckfpr_to_user()
307 					  void __user *from)  in copy_ckfpr_from_user()
321 unsigned long copy_ckvsx_to_user(void __user *to,  in copy_ckvsx_to_user()
334 					  void __user *from)  in copy_ckvsx_from_user()
347 inline unsigned long copy_fpr_to_user(void __user *to,  in copy_fpr_to_user()
355 					void __user *from)  in copy_fpr_from_user()
362 inline unsigned long copy_ckfpr_to_user(void __user *to,  in copy_ckfpr_to_user()
370 						 void __user *from)  in copy_ckfpr_from_user()
383 static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame,  in save_user_regs()
384 			  struct mcontext __user *tm_frame, int sigret,  in save_user_regs()
417 	if (__put_user(current->thread.vrsave, (u32 __user *)&frame->mc_vregs[32]))  in save_user_regs()
456 	if (__put_user(current->thread.spefscr, (u32 __user *)&frame->mc_vregs + ELF_NEVRREG))  in save_user_regs()
491 			     struct mcontext __user *frame,  in save_tm_user_regs()
492 			     struct mcontext __user *tm_frame, int sigret)  in save_tm_user_regs()
551 		       (u32 __user *)&frame->mc_vregs[32]))  in save_tm_user_regs()
555 			       (u32 __user *)&tm_frame->mc_vregs[32]))  in save_tm_user_regs()
559 			       (u32 __user *)&tm_frame->mc_vregs[32]))  in save_tm_user_regs()
611 	if (__put_user(current->thread.spefscr, (u32 __user *)&frame->mc_vregs + ELF_NEVRREG))  in save_tm_user_regs()
635 			      struct mcontext __user *sr, int sig)  in restore_user_regs()
679 	if (__get_user(current->thread.vrsave, (u32 __user *)&sr->mc_vregs[32]))  in restore_user_regs()
725 	if (__get_user(current->thread.spefscr, (u32 __user *)&sr->mc_vregs + ELF_NEVRREG))  in restore_user_regs()
739 				 struct mcontext __user *sr,  in restore_tm_user_regs()
740 				 struct mcontext __user *tm_sr)  in restore_tm_user_regs()
789 		       (u32 __user *)&sr->mc_vregs[32]) ||  in restore_tm_user_regs()
791 		       (u32 __user *)&tm_sr->mc_vregs[32]))  in restore_tm_user_regs()
835 	if (__get_user(current->thread.spefscr, (u32 __user *)&sr->mc_vregs  in restore_tm_user_regs()
907 	struct rt_sigframe __user *rt_sf;  in handle_rt_signal32()
908 	struct mcontext __user *frame;  in handle_rt_signal32()
909 	struct mcontext __user *tm_frame = NULL;  in handle_rt_signal32()
910 	void __user *addr;  in handle_rt_signal32()
970 	addr = (void __user *)regs->gpr[1];  in handle_rt_signal32()
971 	if (put_user(regs->gpr[1], (u32 __user *)newsp))  in handle_rt_signal32()
997 static int do_setcontext(struct ucontext __user *ucp, struct pt_regs *regs, int sig)  in do_setcontext()
1000 	struct mcontext __user *mcp;  in do_setcontext()
1010 		mcp = (struct mcontext __user *)(u64)cmcp;  in do_setcontext()
1027 static int do_setcontext_tm(struct ucontext __user *ucp,  in do_setcontext_tm()
1028 			    struct ucontext __user *tm_ucp,  in do_setcontext_tm()
1032 	struct mcontext __user *mcp;  in do_setcontext_tm()
1033 	struct mcontext __user *tm_mcp;  in do_setcontext_tm()
1043 	mcp = (struct mcontext __user *)(u64)cmcp;  in do_setcontext_tm()
1044 	tm_mcp = (struct mcontext __user *)(u64)tm_cmcp;  in do_setcontext_tm()
1056 COMPAT_SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,  in COMPAT_SYSCALL_DEFINE3()  argument
1057 		       struct ucontext __user *, new_ctx, int, ctx_size)  in COMPAT_SYSCALL_DEFINE3()
1059 SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,  in COMPAT_SYSCALL_DEFINE3()
1060 		       struct ucontext __user *, new_ctx, long, ctx_size)  in COMPAT_SYSCALL_DEFINE3()
1070 		struct mcontext __user *mcp;  in COMPAT_SYSCALL_DEFINE3()
1080 		mcp = (struct mcontext __user *)(u64)cmcp;  in COMPAT_SYSCALL_DEFINE3()
1108 		struct mcontext __user *mctx;  in COMPAT_SYSCALL_DEFINE3()
1117 		mctx = (struct mcontext __user *)  in COMPAT_SYSCALL_DEFINE3()
1128 	    fault_in_pages_readable((u8 __user *)new_ctx, ctx_size))  in COMPAT_SYSCALL_DEFINE3()
1155 	struct rt_sigframe __user *rt_sf;  in COMPAT_SYSCALL_DEFINE0()
1159 	struct ucontext __user *uc_transact;  in COMPAT_SYSCALL_DEFINE0()
1166 	rt_sf = (struct rt_sigframe __user *)  in COMPAT_SYSCALL_DEFINE0()
1187 	uc_transact = (struct ucontext __user *)(uintptr_t)tmp;  in COMPAT_SYSCALL_DEFINE0()
1190 		struct mcontext __user *mcp;  in COMPAT_SYSCALL_DEFINE0()
1194 		mcp = (struct mcontext __user *)(u64)cmcp;  in COMPAT_SYSCALL_DEFINE0()
1256 SYSCALL_DEFINE3(debug_setcontext, struct ucontext __user *, ctx,  in SYSCALL_DEFINE3()  argument
1257 			 int, ndbg, struct sig_dbg_op __user *, dbg)  in SYSCALL_DEFINE3()  argument
1318 	    fault_in_pages_readable((u8 __user *)ctx, sizeof(*ctx)))  in SYSCALL_DEFINE3()
1365 	struct sigcontext __user *sc;  in handle_signal32()
1366 	struct sigframe __user *frame;  in handle_signal32()
1367 	struct mcontext __user *tm_mctx = NULL;  in handle_signal32()
1379 	sc = (struct sigcontext __user *) &frame->sctx;  in handle_signal32()
1423 	if (put_user(regs->gpr[1], (u32 __user *)newsp))  in handle_signal32()
1455 	struct sigframe __user *sf;  in COMPAT_SYSCALL_DEFINE0()
1456 	struct sigcontext __user *sc;  in COMPAT_SYSCALL_DEFINE0()
1458 	struct mcontext __user *sr;  in COMPAT_SYSCALL_DEFINE0()
1459 	void __user *addr;  in COMPAT_SYSCALL_DEFINE0()
1462 	struct mcontext __user *mcp, *tm_mcp;  in COMPAT_SYSCALL_DEFINE0()
1469 	sf = (struct sigframe __user *)(regs->gpr[1] + __SIGNAL_FRAMESIZE);  in COMPAT_SYSCALL_DEFINE0()
1488 	mcp = (struct mcontext __user *)&sf->mctx;  in COMPAT_SYSCALL_DEFINE0()
1489 	tm_mcp = (struct mcontext __user *)&sf->mctx_transact;  in COMPAT_SYSCALL_DEFINE0()
1500 		sr = (struct mcontext __user *)from_user_ptr(sigctx.regs);  in COMPAT_SYSCALL_DEFINE0()