25 static inline int restore_sigcontext_fpu(struct pt_regs *regs,  in restore_sigcontext_fpu()  argument
43 		disable_ptreg_fpu(regs);  in restore_sigcontext_fpu()
47 	clear_fpu(regs);  in restore_sigcontext_fpu()
54 static inline int setup_sigcontext_fpu(struct pt_regs *regs,  in setup_sigcontext_fpu()  argument
79 static int restore_sigframe(struct pt_regs *regs,  in restore_sigframe()  argument
90 	__get_user_error(regs->uregs[0], &sf->uc.uc_mcontext.nds32_r0, err);  in restore_sigframe()
91 	__get_user_error(regs->uregs[1], &sf->uc.uc_mcontext.nds32_r1, err);  in restore_sigframe()
92 	__get_user_error(regs->uregs[2], &sf->uc.uc_mcontext.nds32_r2, err);  in restore_sigframe()
93 	__get_user_error(regs->uregs[3], &sf->uc.uc_mcontext.nds32_r3, err);  in restore_sigframe()
94 	__get_user_error(regs->uregs[4], &sf->uc.uc_mcontext.nds32_r4, err);  in restore_sigframe()
95 	__get_user_error(regs->uregs[5], &sf->uc.uc_mcontext.nds32_r5, err);  in restore_sigframe()
96 	__get_user_error(regs->uregs[6], &sf->uc.uc_mcontext.nds32_r6, err);  in restore_sigframe()
97 	__get_user_error(regs->uregs[7], &sf->uc.uc_mcontext.nds32_r7, err);  in restore_sigframe()
98 	__get_user_error(regs->uregs[8], &sf->uc.uc_mcontext.nds32_r8, err);  in restore_sigframe()
99 	__get_user_error(regs->uregs[9], &sf->uc.uc_mcontext.nds32_r9, err);  in restore_sigframe()
100 	__get_user_error(regs->uregs[10], &sf->uc.uc_mcontext.nds32_r10, err);  in restore_sigframe()
101 	__get_user_error(regs->uregs[11], &sf->uc.uc_mcontext.nds32_r11, err);  in restore_sigframe()
102 	__get_user_error(regs->uregs[12], &sf->uc.uc_mcontext.nds32_r12, err);  in restore_sigframe()
103 	__get_user_error(regs->uregs[13], &sf->uc.uc_mcontext.nds32_r13, err);  in restore_sigframe()
104 	__get_user_error(regs->uregs[14], &sf->uc.uc_mcontext.nds32_r14, err);  in restore_sigframe()
105 	__get_user_error(regs->uregs[15], &sf->uc.uc_mcontext.nds32_r15, err);  in restore_sigframe()
106 	__get_user_error(regs->uregs[16], &sf->uc.uc_mcontext.nds32_r16, err);  in restore_sigframe()
107 	__get_user_error(regs->uregs[17], &sf->uc.uc_mcontext.nds32_r17, err);  in restore_sigframe()
108 	__get_user_error(regs->uregs[18], &sf->uc.uc_mcontext.nds32_r18, err);  in restore_sigframe()
109 	__get_user_error(regs->uregs[19], &sf->uc.uc_mcontext.nds32_r19, err);  in restore_sigframe()
110 	__get_user_error(regs->uregs[20], &sf->uc.uc_mcontext.nds32_r20, err);  in restore_sigframe()
111 	__get_user_error(regs->uregs[21], &sf->uc.uc_mcontext.nds32_r21, err);  in restore_sigframe()
112 	__get_user_error(regs->uregs[22], &sf->uc.uc_mcontext.nds32_r22, err);  in restore_sigframe()
113 	__get_user_error(regs->uregs[23], &sf->uc.uc_mcontext.nds32_r23, err);  in restore_sigframe()
114 	__get_user_error(regs->uregs[24], &sf->uc.uc_mcontext.nds32_r24, err);  in restore_sigframe()
115 	__get_user_error(regs->uregs[25], &sf->uc.uc_mcontext.nds32_r25, err);  in restore_sigframe()
117 	__get_user_error(regs->fp, &sf->uc.uc_mcontext.nds32_fp, err);  in restore_sigframe()
118 	__get_user_error(regs->gp, &sf->uc.uc_mcontext.nds32_gp, err);  in restore_sigframe()
119 	__get_user_error(regs->lp, &sf->uc.uc_mcontext.nds32_lp, err);  in restore_sigframe()
120 	__get_user_error(regs->sp, &sf->uc.uc_mcontext.nds32_sp, err);  in restore_sigframe()
121 	__get_user_error(regs->ipc, &sf->uc.uc_mcontext.nds32_ipc, err);  in restore_sigframe()
123 	__get_user_error(regs->lc, &sf->uc.uc_mcontext.zol.nds32_lc, err);  in restore_sigframe()
124 	__get_user_error(regs->le, &sf->uc.uc_mcontext.zol.nds32_le, err);  in restore_sigframe()
125 	__get_user_error(regs->lb, &sf->uc.uc_mcontext.zol.nds32_lb, err);  in restore_sigframe()
128 	err |= restore_sigcontext_fpu(regs, &sf->uc.uc_mcontext);  in restore_sigframe()
133 	forget_syscall(regs);  in restore_sigframe()
137 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)  in sys_rt_sigreturn()  argument
149 	if (regs->sp & 7)  in sys_rt_sigreturn()
152 	frame = (struct rt_sigframe __user *)regs->sp;  in sys_rt_sigreturn()
157 	if (restore_sigframe(regs, frame))  in sys_rt_sigreturn()
163 	return regs->uregs[0];  in sys_rt_sigreturn()
171 setup_sigframe(struct rt_sigframe __user * sf, struct pt_regs *regs,  in setup_sigframe()  argument
176 	__put_user_error(regs->uregs[0], &sf->uc.uc_mcontext.nds32_r0, err);  in setup_sigframe()
177 	__put_user_error(regs->uregs[1], &sf->uc.uc_mcontext.nds32_r1, err);  in setup_sigframe()
178 	__put_user_error(regs->uregs[2], &sf->uc.uc_mcontext.nds32_r2, err);  in setup_sigframe()
179 	__put_user_error(regs->uregs[3], &sf->uc.uc_mcontext.nds32_r3, err);  in setup_sigframe()
180 	__put_user_error(regs->uregs[4], &sf->uc.uc_mcontext.nds32_r4, err);  in setup_sigframe()
181 	__put_user_error(regs->uregs[5], &sf->uc.uc_mcontext.nds32_r5, err);  in setup_sigframe()
182 	__put_user_error(regs->uregs[6], &sf->uc.uc_mcontext.nds32_r6, err);  in setup_sigframe()
183 	__put_user_error(regs->uregs[7], &sf->uc.uc_mcontext.nds32_r7, err);  in setup_sigframe()
184 	__put_user_error(regs->uregs[8], &sf->uc.uc_mcontext.nds32_r8, err);  in setup_sigframe()
185 	__put_user_error(regs->uregs[9], &sf->uc.uc_mcontext.nds32_r9, err);  in setup_sigframe()
186 	__put_user_error(regs->uregs[10], &sf->uc.uc_mcontext.nds32_r10, err);  in setup_sigframe()
187 	__put_user_error(regs->uregs[11], &sf->uc.uc_mcontext.nds32_r11, err);  in setup_sigframe()
188 	__put_user_error(regs->uregs[12], &sf->uc.uc_mcontext.nds32_r12, err);  in setup_sigframe()
189 	__put_user_error(regs->uregs[13], &sf->uc.uc_mcontext.nds32_r13, err);  in setup_sigframe()
190 	__put_user_error(regs->uregs[14], &sf->uc.uc_mcontext.nds32_r14, err);  in setup_sigframe()
191 	__put_user_error(regs->uregs[15], &sf->uc.uc_mcontext.nds32_r15, err);  in setup_sigframe()
192 	__put_user_error(regs->uregs[16], &sf->uc.uc_mcontext.nds32_r16, err);  in setup_sigframe()
193 	__put_user_error(regs->uregs[17], &sf->uc.uc_mcontext.nds32_r17, err);  in setup_sigframe()
194 	__put_user_error(regs->uregs[18], &sf->uc.uc_mcontext.nds32_r18, err);  in setup_sigframe()
195 	__put_user_error(regs->uregs[19], &sf->uc.uc_mcontext.nds32_r19, err);  in setup_sigframe()
196 	__put_user_error(regs->uregs[20], &sf->uc.uc_mcontext.nds32_r20, err);  in setup_sigframe()
198 	__put_user_error(regs->uregs[21], &sf->uc.uc_mcontext.nds32_r21, err);  in setup_sigframe()
199 	__put_user_error(regs->uregs[22], &sf->uc.uc_mcontext.nds32_r22, err);  in setup_sigframe()
200 	__put_user_error(regs->uregs[23], &sf->uc.uc_mcontext.nds32_r23, err);  in setup_sigframe()
201 	__put_user_error(regs->uregs[24], &sf->uc.uc_mcontext.nds32_r24, err);  in setup_sigframe()
202 	__put_user_error(regs->uregs[25], &sf->uc.uc_mcontext.nds32_r25, err);  in setup_sigframe()
203 	__put_user_error(regs->fp, &sf->uc.uc_mcontext.nds32_fp, err);  in setup_sigframe()
204 	__put_user_error(regs->gp, &sf->uc.uc_mcontext.nds32_gp, err);  in setup_sigframe()
205 	__put_user_error(regs->lp, &sf->uc.uc_mcontext.nds32_lp, err);  in setup_sigframe()
206 	__put_user_error(regs->sp, &sf->uc.uc_mcontext.nds32_sp, err);  in setup_sigframe()
207 	__put_user_error(regs->ipc, &sf->uc.uc_mcontext.nds32_ipc, err);  in setup_sigframe()
209 	__put_user_error(regs->lc, &sf->uc.uc_mcontext.zol.nds32_lc, err);  in setup_sigframe()
210 	__put_user_error(regs->le, &sf->uc.uc_mcontext.zol.nds32_le, err);  in setup_sigframe()
211 	__put_user_error(regs->lb, &sf->uc.uc_mcontext.zol.nds32_lb, err);  in setup_sigframe()
214 	err |= setup_sigcontext_fpu(regs, &sf->uc.uc_mcontext);  in setup_sigframe()
231 					struct pt_regs *regs, int framesize)  in get_sigframe()  argument
236 	sp = regs->sp;  in get_sigframe()
257 setup_return(struct pt_regs *regs, struct ksignal *ksig, void __user * frame)  in setup_return()  argument
263 	regs->uregs[0] = ksig->sig;  in setup_return()
264 	regs->sp = (unsigned long)frame;  in setup_return()
265 	regs->lp = retcode;  in setup_return()
266 	regs->ipc = handler;  in setup_return()
272 setup_rt_frame(struct ksignal *ksig, sigset_t * set, struct pt_regs *regs)  in setup_rt_frame()  argument
275 	    get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
284 	err |= __save_altstack(&frame->uc.uc_stack, regs->sp);  in setup_rt_frame()
285 	err |= setup_sigframe(frame, regs, set);  in setup_rt_frame()
287 		setup_return(regs, ksig, frame);  in setup_rt_frame()
290 			regs->uregs[1] = (unsigned long)&frame->info;  in setup_rt_frame()
291 			regs->uregs[2] = (unsigned long)&frame->uc;  in setup_rt_frame()
300 static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)  in handle_signal()  argument
305 	if (in_syscall(regs)) {  in handle_signal()
307 		forget_syscall(regs);  in handle_signal()
309 		switch (regs->uregs[0]) {  in handle_signal()
312 			regs->uregs[0] = -EINTR;  in handle_signal()
316 				regs->uregs[0] = -EINTR;  in handle_signal()
321 			regs->uregs[0] = regs->orig_r0;  in handle_signal()
322 			regs->ipc -= 4;  in handle_signal()
329 	ret = setup_rt_frame(ksig, oldset, regs);  in handle_signal()
343 static void do_signal(struct pt_regs *regs)  in do_signal()  argument
348 		handle_signal(&ksig, regs);  in do_signal()
355 	if (in_syscall(regs)) {  in do_signal()
359 		forget_syscall(regs);  in do_signal()
361 		switch (regs->uregs[0]) {  in do_signal()
363 			regs->uregs[15] = __NR_restart_syscall;  in do_signal()
368 			regs->uregs[0] = regs->orig_r0;  in do_signal()
369 			regs->ipc -= 0x4;  in do_signal()
377 do_notify_resume(struct pt_regs *regs, unsigned int thread_flags)  in do_notify_resume()  argument
380 		do_signal(regs);  in do_notify_resume()
383 		tracehook_notify_resume(regs);  in do_notify_resume()