38 void __unwind_start(struct unwind_state *state, struct task_struct *task,
40 bool unwind_next_frame(struct unwind_state *state);
41 unsigned long unwind_get_return_address(struct unwind_state *state);
42 unsigned long *unwind_get_return_address_ptr(struct unwind_state *state);
44 static inline bool unwind_done(struct unwind_state *state)  in unwind_done()  argument
46 	return state->stack_info.type == STACK_TYPE_UNKNOWN;  in unwind_done()
49 static inline bool unwind_error(struct unwind_state *state)  in unwind_error()  argument
51 	return state->error;  in unwind_error()
55 void unwind_start(struct unwind_state *state, struct task_struct *task,  in unwind_start()  argument
60 	__unwind_start(state, task, regs, first_frame);  in unwind_start()
67 static inline struct pt_regs *unwind_get_entry_regs(struct unwind_state *state,  in unwind_get_entry_regs()  argument
70 	if (unwind_done(state))  in unwind_get_entry_regs()
75 		*partial = !state->full_regs;  in unwind_get_entry_regs()
81 	return state->regs;  in unwind_get_entry_regs()
84 static inline struct pt_regs *unwind_get_entry_regs(struct unwind_state *state,  in unwind_get_entry_regs()  argument