107 #define compat_usr(x)	regs[(x)]
108 #define compat_fp	regs[11]
109 #define compat_sp	regs[13]
110 #define compat_lr	regs[14]
111 #define compat_sp_hyp	regs[15]
112 #define compat_lr_irq	regs[16]
113 #define compat_sp_irq	regs[17]
114 #define compat_lr_svc	regs[18]
115 #define compat_sp_svc	regs[19]
116 #define compat_lr_abt	regs[20]
117 #define compat_sp_abt	regs[21]
118 #define compat_lr_und	regs[22]
119 #define compat_sp_und	regs[23]
120 #define compat_r8_fiq	regs[24]
121 #define compat_r9_fiq	regs[25]
122 #define compat_r10_fiq	regs[26]
123 #define compat_r11_fiq	regs[27]
124 #define compat_r12_fiq	regs[28]
125 #define compat_sp_fiq	regs[29]
126 #define compat_lr_fiq	regs[30]
160 			u64 regs[31];  member
181 static inline bool in_syscall(struct pt_regs const *regs)  in in_syscall()  argument
183 	return regs->syscallno != NO_SYSCALL;  in in_syscall()
186 static inline void forget_syscall(struct pt_regs *regs)  in forget_syscall()  argument
188 	regs->syscallno = NO_SYSCALL;  in forget_syscall()
196 #define compat_thumb_mode(regs) \  argument
197 	(((regs)->pstate & PSR_AA32_T_BIT))
199 #define compat_thumb_mode(regs) (0)  argument
202 #define user_mode(regs)	\  argument
203 	(((regs)->pstate & PSR_MODE_MASK) == PSR_MODE_EL0t)
205 #define compat_user_mode(regs)	\  argument
206 	(((regs)->pstate & (PSR_MODE32_BIT | PSR_MODE_MASK)) == \
209 #define processor_mode(regs) \  argument
210 	((regs)->pstate & PSR_MODE_MASK)
212 #define irqs_priority_unmasked(regs)					\  argument
214 		(regs)->pmr == GIC_PRIO_IRQON :				\
217 #define interrupts_enabled(regs)			\  argument
218 	(!((regs)->pstate & PSR_I_BIT) && irqs_priority_unmasked(regs))
220 #define fast_interrupts_enabled(regs) \  argument
221 	(!((regs)->pstate & PSR_F_BIT))
223 static inline unsigned long user_stack_pointer(struct pt_regs *regs)  in user_stack_pointer()  argument
225 	if (compat_user_mode(regs))  in user_stack_pointer()
226 		return regs->compat_sp;  in user_stack_pointer()
227 	return regs->sp;  in user_stack_pointer()
231 extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
236  * @regs:	pt_regs from which register value is gotten
239  * regs_get_register returns the value of a register whose offset from @regs.
243 static inline u64 regs_get_register(struct pt_regs *regs, unsigned int offset)  in regs_get_register()  argument
252 		val = regs->regs[offset];  in regs_get_register()
255 		val = regs->sp;  in regs_get_register()
258 		val = regs->pc;  in regs_get_register()
261 		val = regs->pstate;  in regs_get_register()
274 static inline unsigned long pt_regs_read_reg(const struct pt_regs *regs, int r)  in pt_regs_read_reg()  argument
276 	return (r == 31) ? 0 : regs->regs[r];  in pt_regs_read_reg()
283 static inline void pt_regs_write_reg(struct pt_regs *regs, int r,  in pt_regs_write_reg()  argument
287 		regs->regs[r] = val;  in pt_regs_write_reg()
291 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)  in kernel_stack_pointer()  argument
293 	return regs->sp;  in kernel_stack_pointer()
296 static inline unsigned long regs_return_value(struct pt_regs *regs)  in regs_return_value()  argument
298 	unsigned long val = regs->regs[0];  in regs_return_value()
305 	if (compat_user_mode(regs))  in regs_return_value()
311 static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)  in regs_set_return_value()  argument
313 	regs->regs[0] = rc;  in regs_set_return_value()
318  * @regs:	pt_regs of that context
329 static inline unsigned long regs_get_kernel_argument(struct pt_regs *regs,  in regs_get_kernel_argument()  argument
334 		return pt_regs_read_reg(regs, n);  in regs_get_kernel_argument()
340 int valid_user_regs(struct user_pt_regs *regs, struct task_struct *task);
342 static inline unsigned long instruction_pointer(struct pt_regs *regs)  in instruction_pointer()  argument
344 	return regs->pc;  in instruction_pointer()
346 static inline void instruction_pointer_set(struct pt_regs *regs,  in instruction_pointer_set()  argument
349 	regs->pc = val;  in instruction_pointer_set()
352 static inline unsigned long frame_pointer(struct pt_regs *regs)  in frame_pointer()  argument
354 	return regs->regs[29];  in frame_pointer()
357 #define procedure_link_pointer(regs)	((regs)->regs[30])  argument
359 static inline void procedure_link_pointer_set(struct pt_regs *regs,  in procedure_link_pointer_set()  argument
362 	procedure_link_pointer(regs) = val;  in procedure_link_pointer_set()
365 extern unsigned long profile_pc(struct pt_regs *regs);