86   unw_cursor_t cursor;  in _Unwind_FindEnclosingFunction()  local
90   unw_init_local(&cursor, &uc);  in _Unwind_FindEnclosingFunction()
91   unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(long) pc);  in _Unwind_FindEnclosingFunction()
92   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()
115     if (unw_step(&cursor) <= 0) {  in _Unwind_Backtrace()
127       unw_get_proc_name(&cursor, functionName, 512, &offset);  in _Unwind_Backtrace()
128       unw_get_proc_info(&cursor, &frameInfo);  in _Unwind_Backtrace()
132           &cursor);  in _Unwind_Backtrace()
137         (*callback)((struct _Unwind_Context *)(&cursor), ref);  in _Unwind_Backtrace()
153   unw_cursor_t cursor;  in _Unwind_Find_FDE()  local
157   unw_init_local(&cursor, &uc);  in _Unwind_Find_FDE()
158   unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(long) pc);  in _Unwind_Find_FDE()
159   unw_get_proc_info(&cursor, &info);  in _Unwind_Find_FDE()
171   unw_cursor_t *cursor = (unw_cursor_t *)context;  in _Unwind_GetCFA()  local
173   unw_get_reg(cursor, UNW_REG_SP, &result);  in _Unwind_GetCFA()