123 #define compat_usr(x)	regs[(x)]
124 #define compat_fp	regs[11]
125 #define compat_sp	regs[13]
126 #define compat_lr	regs[14]
127 #define compat_sp_hyp	regs[15]
128 #define compat_lr_irq	regs[16]
129 #define compat_sp_irq	regs[17]
130 #define compat_lr_svc	regs[18]
131 #define compat_sp_svc	regs[19]
132 #define compat_lr_abt	regs[20]
133 #define compat_sp_abt	regs[21]
134 #define compat_lr_und	regs[22]
135 #define compat_sp_und	regs[23]
136 #define compat_r8_fiq	regs[24]
137 #define compat_r9_fiq	regs[25]
138 #define compat_r10_fiq	regs[26]
139 #define compat_r11_fiq	regs[27]
140 #define compat_r12_fiq	regs[28]
141 #define compat_sp_fiq	regs[29]
142 #define compat_lr_fiq	regs[30]
177 			u64 regs[31];  member
202 static inline bool in_syscall(struct pt_regs const *regs)  in in_syscall()  argument
204 	return regs->syscallno != NO_SYSCALL;  in in_syscall()
207 static inline void forget_syscall(struct pt_regs *regs)  in forget_syscall()  argument
209 	regs->syscallno = NO_SYSCALL;  in forget_syscall()
217 #define compat_thumb_mode(regs) \  argument
218 	(((regs)->pstate & PSR_AA32_T_BIT))
220 #define compat_thumb_mode(regs) (0)  argument
223 #define user_mode(regs)	\  argument
224 	(((regs)->pstate & PSR_MODE_MASK) == PSR_MODE_EL0t)
226 #define compat_user_mode(regs)	\  argument
227 	(((regs)->pstate & (PSR_MODE32_BIT | PSR_MODE_MASK)) == \
230 #define processor_mode(regs) \  argument
231 	((regs)->pstate & PSR_MODE_MASK)
233 #define irqs_priority_unmasked(regs)					\  argument
235 		(regs)->pmr_save == GIC_PRIO_IRQON :			\
238 #define interrupts_enabled(regs)			\  argument
239 	(!((regs)->pstate & PSR_I_BIT) && irqs_priority_unmasked(regs))
241 #define fast_interrupts_enabled(regs) \  argument
242 	(!((regs)->pstate & PSR_F_BIT))
244 static inline unsigned long user_stack_pointer(struct pt_regs *regs)  in user_stack_pointer()  argument
246 	if (compat_user_mode(regs))  in user_stack_pointer()
247 		return regs->compat_sp;  in user_stack_pointer()
248 	return regs->sp;  in user_stack_pointer()
252 extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
257  * @regs:	pt_regs from which register value is gotten
260  * regs_get_register returns the value of a register whose offset from @regs.
264 static inline u64 regs_get_register(struct pt_regs *regs, unsigned int offset)  in regs_get_register()  argument
273 		val = regs->regs[offset];  in regs_get_register()
276 		val = regs->sp;  in regs_get_register()
279 		val = regs->pc;  in regs_get_register()
282 		val = regs->pstate;  in regs_get_register()
295 static inline unsigned long pt_regs_read_reg(const struct pt_regs *regs, int r)  in pt_regs_read_reg()  argument
297 	return (r == 31) ? 0 : regs->regs[r];  in pt_regs_read_reg()
304 static inline void pt_regs_write_reg(struct pt_regs *regs, int r,  in pt_regs_write_reg()  argument
308 		regs->regs[r] = val;  in pt_regs_write_reg()
312 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)  in kernel_stack_pointer()  argument
314 	return regs->sp;  in kernel_stack_pointer()
317 static inline unsigned long regs_return_value(struct pt_regs *regs)  in regs_return_value()  argument
319 	return regs->regs[0];  in regs_return_value()
322 static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)  in regs_set_return_value()  argument
324 	regs->regs[0] = rc;  in regs_set_return_value()
329  * @regs:	pt_regs of that context
340 static inline unsigned long regs_get_kernel_argument(struct pt_regs *regs,  in regs_get_kernel_argument()  argument
345 		return pt_regs_read_reg(regs, n);  in regs_get_kernel_argument()
351 int valid_user_regs(struct user_pt_regs *regs, struct task_struct *task);
353 static inline unsigned long instruction_pointer(struct pt_regs *regs)  in instruction_pointer()  argument
355 	return regs->pc;  in instruction_pointer()
357 static inline void instruction_pointer_set(struct pt_regs *regs,  in instruction_pointer_set()  argument
360 	regs->pc = val;  in instruction_pointer_set()
363 static inline unsigned long frame_pointer(struct pt_regs *regs)  in frame_pointer()  argument
365 	return regs->regs[29];  in frame_pointer()
368 #define procedure_link_pointer(regs)	((regs)->regs[30])  argument
370 static inline void procedure_link_pointer_set(struct pt_regs *regs,  in procedure_link_pointer_set()  argument
373 	procedure_link_pointer(regs) = val;  in procedure_link_pointer_set()
376 extern unsigned long profile_pc(struct pt_regs *regs);