87   unw_cursor_t cursor;  in _Unwind_FindEnclosingFunction()  local
91   __unw_init_local(&cursor, &uc);  in _Unwind_FindEnclosingFunction()
92   __unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(intptr_t)pc);  in _Unwind_FindEnclosingFunction()
93   if (__unw_get_proc_info(&cursor, &info) == UNW_ESUCCESS)  in _Unwind_FindEnclosingFunction()
103   unw_cursor_t cursor;  in _Unwind_Backtrace()  local
106   __unw_init_local(&cursor, &uc);  in _Unwind_Backtrace()
125     if (__unw_step(&cursor) <= 0) {  in _Unwind_Backtrace()
134     if (__unw_get_proc_info(&cursor, &frameInfo) != UNW_ESUCCESS) {  in _Unwind_Backtrace()
144     struct _Unwind_Context *context = (struct _Unwind_Context *)&cursor;  in _Unwind_Backtrace()
161       __unw_get_proc_name(&cursor, functionName, 512, &offset);  in _Unwind_Backtrace()
162       __unw_get_proc_info(&cursor, &frame);  in _Unwind_Backtrace()
166           (void *)&cursor);  in _Unwind_Backtrace()
170     result = (*callback)((struct _Unwind_Context *)(&cursor), ref);  in _Unwind_Backtrace()
185   unw_cursor_t cursor;  in _Unwind_Find_FDE()  local
189   __unw_init_local(&cursor, &uc);  in _Unwind_Find_FDE()
190   __unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(intptr_t)pc);  in _Unwind_Find_FDE()
191   __unw_get_proc_info(&cursor, &info);  in _Unwind_Find_FDE()
203   unw_cursor_t *cursor = (unw_cursor_t *)context;  in _Unwind_GetCFA()  local
205   __unw_get_reg(cursor, UNW_REG_SP, &result);  in _Unwind_GetCFA()