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
177 static inline bool in_syscall(struct pt_regs const *regs)  in in_syscall()  argument
179 	return regs->syscallno != NO_SYSCALL;  in in_syscall()
182 static inline void forget_syscall(struct pt_regs *regs)  in forget_syscall()  argument
184 	regs->syscallno = NO_SYSCALL;  in forget_syscall()
192 #define compat_thumb_mode(regs) \  argument
193 	(((regs)->pstate & PSR_AA32_T_BIT))
195 #define compat_thumb_mode(regs) (0)  argument
198 #define user_mode(regs)	\  argument
199 	(((regs)->pstate & PSR_MODE_MASK) == PSR_MODE_EL0t)
201 #define compat_user_mode(regs)	\  argument
202 	(((regs)->pstate & (PSR_MODE32_BIT | PSR_MODE_MASK)) == \
205 #define processor_mode(regs) \  argument
206 	((regs)->pstate & PSR_MODE_MASK)
208 #define irqs_priority_unmasked(regs)					\  argument
210 		(regs)->pmr == GIC_PRIO_IRQON :				\
213 static __always_inline bool regs_irqs_disabled(const struct pt_regs *regs)  in regs_irqs_disabled()  argument
215 	return (regs->pstate & PSR_I_BIT) || !irqs_priority_unmasked(regs);  in regs_irqs_disabled()
218 #define interrupts_enabled(regs)	(!regs_irqs_disabled(regs))  argument
220 static inline unsigned long user_stack_pointer(struct pt_regs *regs)  in user_stack_pointer()  argument
222 	if (compat_user_mode(regs))  in user_stack_pointer()
223 		return regs->compat_sp;  in user_stack_pointer()
224 	return regs->sp;  in user_stack_pointer()
228 extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
233  * @regs:	pt_regs from which register value is gotten
236  * regs_get_register returns the value of a register whose offset from @regs.
240 static inline u64 regs_get_register(struct pt_regs *regs, unsigned int offset)  in regs_get_register()  argument
249 		val = regs->regs[offset];  in regs_get_register()
252 		val = regs->sp;  in regs_get_register()
255 		val = regs->pc;  in regs_get_register()
258 		val = regs->pstate;  in regs_get_register()
271 static inline unsigned long pt_regs_read_reg(const struct pt_regs *regs, int r)  in pt_regs_read_reg()  argument
273 	return (r == 31) ? 0 : regs->regs[r];  in pt_regs_read_reg()
280 static inline void pt_regs_write_reg(struct pt_regs *regs, int r,  in pt_regs_write_reg()  argument
284 		regs->regs[r] = val;  in pt_regs_write_reg()
288 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)  in kernel_stack_pointer()  argument
290 	return regs->sp;  in kernel_stack_pointer()
293 static inline unsigned long regs_return_value(struct pt_regs *regs)  in regs_return_value()  argument
295 	unsigned long val = regs->regs[0];  in regs_return_value()
302 	if (compat_user_mode(regs))  in regs_return_value()
308 static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)  in regs_set_return_value()  argument
310 	regs->regs[0] = rc;  in regs_set_return_value()
315  * @regs:	pt_regs of that context
326 static inline unsigned long regs_get_kernel_argument(struct pt_regs *regs,  in regs_get_kernel_argument()  argument
331 		return pt_regs_read_reg(regs, n);  in regs_get_kernel_argument()
337 int valid_user_regs(struct user_pt_regs *regs, struct task_struct *task);
339 static inline unsigned long instruction_pointer(struct pt_regs *regs)  in instruction_pointer()  argument
341 	return regs->pc;  in instruction_pointer()
343 static inline void instruction_pointer_set(struct pt_regs *regs,  in instruction_pointer_set()  argument
346 	regs->pc = val;  in instruction_pointer_set()
349 static inline unsigned long frame_pointer(struct pt_regs *regs)  in frame_pointer()  argument
351 	return regs->regs[29];  in frame_pointer()
354 #define procedure_link_pointer(regs)	((regs)->regs[30])  argument
356 static inline void procedure_link_pointer_set(struct pt_regs *regs,  in procedure_link_pointer_set()  argument
359 	procedure_link_pointer(regs) = val;  in procedure_link_pointer_set()
362 extern unsigned long profile_pc(struct pt_regs *regs);