77 extern unsigned long profile_pc(struct pt_regs *regs);
81 convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
82 extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
93 static inline unsigned long regs_return_value(struct pt_regs *regs)  in regs_return_value()  argument
95 	return regs->ax;  in regs_return_value()
107 static inline int user_mode(struct pt_regs *regs)  in user_mode()  argument
110 	return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >= USER_RPL;  in user_mode()
112 	return !!(regs->cs & 3);  in user_mode()
116 static inline int v8086_mode(struct pt_regs *regs)  in v8086_mode()  argument
119 	return (regs->flags & X86_VM_MASK);  in v8086_mode()
126 static inline bool user_64bit_mode(struct pt_regs *regs)  in user_64bit_mode()  argument
133 	return regs->cs == __USER_CS;  in user_64bit_mode()
136 	return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs;  in user_64bit_mode()
145 extern unsigned long kernel_stack_pointer(struct pt_regs *regs);
147 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)  in kernel_stack_pointer()  argument
149 	return regs->sp;  in kernel_stack_pointer()
153 #define GET_IP(regs) ((regs)->ip)  argument
154 #define GET_FP(regs) ((regs)->bp)  argument
155 #define GET_USP(regs) ((regs)->sp)  argument
173 static inline unsigned long regs_get_register(struct pt_regs *regs,  in regs_get_register()  argument
184 	    regs->cs == __KERNEL_CS)  in regs_get_register()
185 		return kernel_stack_pointer(regs);  in regs_get_register()
187 	return *(unsigned long *)((unsigned long)regs + offset);  in regs_get_register()
198 static inline int regs_within_kernel_stack(struct pt_regs *regs,  in regs_within_kernel_stack()  argument
202 		(kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1)));  in regs_within_kernel_stack()
214 static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,  in regs_get_kernel_stack_nth()  argument
217 	unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs);  in regs_get_kernel_stack_nth()
219 	if (regs_within_kernel_stack(regs, (unsigned long)addr))  in regs_get_kernel_stack_nth()