44 static int (*save_fp_context)(void __user *sc);
45 static int (*restore_fp_context)(void __user *sc);
70 static int copy_fp_to_sigcontext(void __user *sc)  in copy_fp_to_sigcontext()
73 	uint64_t __user *fpregs = sc + abi->off_sc_fpregs;  in copy_fp_to_sigcontext()
74 	uint32_t __user *csr = sc + abi->off_sc_fpc_csr;  in copy_fp_to_sigcontext()
89 static int copy_fp_from_sigcontext(void __user *sc)  in copy_fp_from_sigcontext()
92 	uint64_t __user *fpregs = sc + abi->off_sc_fpregs;  in copy_fp_from_sigcontext()
93 	uint32_t __user *csr = sc + abi->off_sc_fpc_csr;  in copy_fp_from_sigcontext()
110 static int copy_fp_to_sigcontext(void __user *sc)  in copy_fp_to_sigcontext()
115 static int copy_fp_from_sigcontext(void __user *sc)  in copy_fp_from_sigcontext()
125 static int save_hw_fp_context(void __user *sc)  in save_hw_fp_context()
128 	uint64_t __user *fpregs = sc + abi->off_sc_fpregs;  in save_hw_fp_context()
129 	uint32_t __user *csr = sc + abi->off_sc_fpc_csr;  in save_hw_fp_context()
134 static int restore_hw_fp_context(void __user *sc)  in restore_hw_fp_context()
137 	uint64_t __user *fpregs = sc + abi->off_sc_fpregs;  in restore_hw_fp_context()
138 	uint32_t __user *csr = sc + abi->off_sc_fpc_csr;  in restore_hw_fp_context()
147 static inline void __user *sc_to_extcontext(void __user *sc)  in sc_to_extcontext()
149 	struct ucontext __user *uc;  in sc_to_extcontext()
162 static int save_msa_extcontext(void __user *buf)  in save_msa_extcontext()
164 	struct msa_extcontext __user *msa = buf;  in save_msa_extcontext()
208 static int restore_msa_extcontext(void __user *buf, unsigned int size)  in restore_msa_extcontext()
210 	struct msa_extcontext __user *msa = buf;  in restore_msa_extcontext()
253 static int save_msa_extcontext(void __user *buf)  in save_msa_extcontext()
258 static int restore_msa_extcontext(void __user *buf, unsigned int size)  in restore_msa_extcontext()
265 static int save_extcontext(void __user *buf)  in save_extcontext()
286 static int restore_extcontext(void __user *buf)  in restore_extcontext()
324 int protected_save_fp_context(void __user *sc)  in protected_save_fp_context()
327 	uint64_t __user *fpregs = sc + abi->off_sc_fpregs;  in protected_save_fp_context()
328 	uint32_t __user *csr = sc + abi->off_sc_fpc_csr;  in protected_save_fp_context()
329 	uint32_t __user *used_math = sc + abi->off_sc_used_math;  in protected_save_fp_context()
377 int protected_restore_fp_context(void __user *sc)  in protected_restore_fp_context()
380 	uint64_t __user *fpregs = sc + abi->off_sc_fpregs;  in protected_restore_fp_context()
381 	uint32_t __user *csr = sc + abi->off_sc_fpc_csr;  in protected_restore_fp_context()
382 	uint32_t __user *used_math = sc + abi->off_sc_used_math;  in protected_restore_fp_context()
438 int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)  in setup_sigcontext()
496 int fpcsr_pending(unsigned int __user *fpcsr)  in fpcsr_pending()
515 int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)  in restore_sigcontext()
553 void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,  in get_sigframe()
569 		return (void __user __force *)(-1UL);  in get_sigframe()
580 	return (void __user *)((sp - frame_size) & SIGMASK);  in get_sigframe()
588 SYSCALL_DEFINE1(sigsuspend, sigset_t __user *, uset)  in SYSCALL_DEFINE1()  argument
595 SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act,  in SYSCALL_DEFINE3()  argument
596 	struct sigaction __user *, oact)  in SYSCALL_DEFINE3()
638 	struct sigframe __user *frame;  in sys_sigreturn()
644 	frame = (struct sigframe __user *)regs->regs[29];  in sys_sigreturn()
675 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()
681 	frame = (struct rt_sigframe __user *)regs->regs[29];  in sys_rt_sigreturn()
716 	struct sigframe __user *frame;  in setup_frame()
755 	struct rt_sigframe __user *frame;  in setup_rt_frame()
924 static int smp_save_fp_context(void __user *sc)  in smp_save_fp_context()
931 static int smp_restore_fp_context(void __user *sc)  in smp_restore_fp_context()