Tool/software: TI C/C++ Compiler
class Board {
public:
virtual ~Board();
Syslog* syslog() { return syslog_; };
protected:
Board()
: syslog_(NULL) {};
Syslog* syslog_;
}
class BoardImpl : public Board {
public:
BoardImpl();
};
BoardImpl::BoardImpl() : Board() {
Board::syslog_ = Syslog::Init();
}
void some_function() {
BoardImpl board;
Board *board_ptr = &board;
Syslog* syslog_local = board_ptr->syslog();
// works fine
syslog_local->Printf("blah");
// crashes with unaligned access
board_ptr->syslog()->Printf("blah");
}
Can someone tell me why the above code crashes? We're using compiler 15.12.5, and we consistently see this crash happen on a TM4C if we use a function call that returns a pointer, then dereference it in this way. I suspect the compiler's not doing the right thing.
