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,
92 static inline unsigned long regs_return_value(struct pt_regs *regs)  in regs_return_value()  argument
94 	return regs->ax;  in regs_return_value()
106 static inline int user_mode(struct pt_regs *regs)  in user_mode()  argument
109 	return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >= USER_RPL;  in user_mode()
111 	return !!(regs->cs & 3);  in user_mode()
115 static inline int v8086_mode(struct pt_regs *regs)  in v8086_mode()  argument
118 	return (regs->flags & X86_VM_MASK);  in v8086_mode()
125 static inline bool user_64bit_mode(struct pt_regs *regs)  in user_64bit_mode()  argument
132 	return regs->cs == __USER_CS;  in user_64bit_mode()
135 	return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs;  in user_64bit_mode()
144 extern unsigned long kernel_stack_pointer(struct pt_regs *regs);
146 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)  in kernel_stack_pointer()  argument
148 	return regs->sp;  in kernel_stack_pointer()
152 #define GET_IP(regs) ((regs)->ip)  argument
153 #define GET_FP(regs) ((regs)->bp)  argument
154 #define GET_USP(regs) ((regs)->sp)  argument
172 static inline unsigned long regs_get_register(struct pt_regs *regs,  in regs_get_register()  argument
183 	    regs->cs == __KERNEL_CS)  in regs_get_register()
184 		return kernel_stack_pointer(regs);  in regs_get_register()
186 	return *(unsigned long *)((unsigned long)regs + offset);  in regs_get_register()
197 static inline int regs_within_kernel_stack(struct pt_regs *regs,  in regs_within_kernel_stack()  argument
201 		(kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1)));  in regs_within_kernel_stack()
213 static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,  in regs_get_kernel_stack_nth()  argument
216 	unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs);  in regs_get_kernel_stack_nth()
218 	if (regs_within_kernel_stack(regs, (unsigned long)addr))  in regs_get_kernel_stack_nth()