Re: How to find the function symbol in nm or objdump when using shared_ptr for abstract class?
On Jul 24, 3:21 am, Jimmy <jimmy.don.k...@gmail.com> wrote:
Hi,
I user shared_ptr for an abstract class ABC as follows:
typedef boost::shared_ptr<ABC> ABCPtr;
ABCPtr get_ABC_ptr()
{
return ABCPtr(new ABCImpl());
}
int main(void)
{
ABCPtr abc_ptr = get_ABC_ptr();
abc_ptr->func_in_ABC();
}
In the above code, ABC is abstract class. ABCImpl class is the
implementation of ABC.abc_ptr points to an ABCImpl objects. In main(),
abc_ptr will call one of the member function in ABC class. The compile
is successful. But when I use nm or objdump, I could only see the
symbol for abc_ptr. There is no symbol displayed for func_in_ABC().=
I can see one when compiling your example (though I had to guess what
ABC and ABCImpl were), even with -O3.
The use of shared_ptr does not change anything at all.
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