Lines Matching refs:regs

40 static __always_inline bool do_syscall_x64(struct pt_regs *regs, int nr)  in do_syscall_x64()  argument
50 		regs->ax = sys_call_table[unr](regs);  in do_syscall_x64()
56 static __always_inline bool do_syscall_x32(struct pt_regs *regs, int nr)  in do_syscall_x32()  argument
67 		regs->ax = x32_sys_call_table[xnr](regs);  in do_syscall_x32()
73 __visible noinstr void do_syscall_64(struct pt_regs *regs, int nr)  in do_syscall_64()  argument
76 	nr = syscall_enter_from_user_mode(regs, nr);  in do_syscall_64()
80 	if (!do_syscall_x64(regs, nr) && !do_syscall_x32(regs, nr) && nr != -1) {  in do_syscall_64()
82 		regs->ax = __x64_sys_ni_syscall(regs);  in do_syscall_64()
86 	syscall_exit_to_user_mode(regs);  in do_syscall_64()
91 static __always_inline int syscall_32_enter(struct pt_regs *regs)  in syscall_32_enter()  argument
96 	return (int)regs->orig_ax;  in syscall_32_enter()
102 static __always_inline void do_syscall_32_irqs_on(struct pt_regs *regs, int nr)  in do_syscall_32_irqs_on()  argument
112 		regs->ax = ia32_sys_call_table[unr](regs);  in do_syscall_32_irqs_on()
114 		regs->ax = __ia32_sys_ni_syscall(regs);  in do_syscall_32_irqs_on()
119 __visible noinstr void do_int80_syscall_32(struct pt_regs *regs)  in do_int80_syscall_32()  argument
121 	int nr = syscall_32_enter(regs);  in do_int80_syscall_32()
129 	nr = syscall_enter_from_user_mode(regs, nr);  in do_int80_syscall_32()
132 	do_syscall_32_irqs_on(regs, nr);  in do_int80_syscall_32()
135 	syscall_exit_to_user_mode(regs);  in do_int80_syscall_32()
138 static noinstr bool __do_fast_syscall_32(struct pt_regs *regs)  in __do_fast_syscall_32()  argument
140 	int nr = syscall_32_enter(regs);  in __do_fast_syscall_32()
149 	syscall_enter_from_user_mode_prepare(regs);  in __do_fast_syscall_32()
158 		res = __get_user(*(u32 *)&regs->bp,  in __do_fast_syscall_32()
159 			 (u32 __user __force *)(unsigned long)(u32)regs->sp);  in __do_fast_syscall_32()
161 		res = get_user(*(u32 *)&regs->bp,  in __do_fast_syscall_32()
162 		       (u32 __user __force *)(unsigned long)(u32)regs->sp);  in __do_fast_syscall_32()
167 		regs->ax = -EFAULT;  in __do_fast_syscall_32()
171 		irqentry_exit_to_user_mode(regs);  in __do_fast_syscall_32()
175 	nr = syscall_enter_from_user_mode_work(regs, nr);  in __do_fast_syscall_32()
178 	do_syscall_32_irqs_on(regs, nr);  in __do_fast_syscall_32()
181 	syscall_exit_to_user_mode(regs);  in __do_fast_syscall_32()
186 __visible noinstr long do_fast_syscall_32(struct pt_regs *regs)  in do_fast_syscall_32()  argument
200 	regs->ip = landing_pad;  in do_fast_syscall_32()
203 	if (!__do_fast_syscall_32(regs))  in do_fast_syscall_32()
216 	return regs->cs == __USER32_CS && regs->ss == __USER_DS &&  in do_fast_syscall_32()
217 		regs->ip == landing_pad &&  in do_fast_syscall_32()
218 		(regs->flags & (X86_EFLAGS_RF | X86_EFLAGS_TF)) == 0;  in do_fast_syscall_32()
231 		regs->cs == __USER_CS && regs->ss == __USER_DS &&  in do_fast_syscall_32()
232 		regs->ip == landing_pad &&  in do_fast_syscall_32()
233 		(regs->flags & (X86_EFLAGS_RF | X86_EFLAGS_TF | X86_EFLAGS_VM)) == 0;  in do_fast_syscall_32()
238 __visible noinstr long do_SYSENTER_32(struct pt_regs *regs)  in do_SYSENTER_32()  argument
241 	regs->sp = regs->bp;  in do_SYSENTER_32()
244 	regs->flags |= X86_EFLAGS_IF;  in do_SYSENTER_32()
246 	return do_fast_syscall_32(regs);  in do_SYSENTER_32()
291 static void __xen_pv_evtchn_do_upcall(struct pt_regs *regs)  in __xen_pv_evtchn_do_upcall()  argument
293 	struct pt_regs *old_regs = set_irq_regs(regs);  in __xen_pv_evtchn_do_upcall()
302 __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)  in xen_pv_evtchn_do_upcall()  argument
304 	irqentry_state_t state = irqentry_enter(regs);  in xen_pv_evtchn_do_upcall()
308 	run_sysvec_on_irqstack_cond(__xen_pv_evtchn_do_upcall, regs);  in xen_pv_evtchn_do_upcall()
317 		irqentry_exit(regs, state);  in xen_pv_evtchn_do_upcall()