Does -gc-section (garbage collection) works only with static linking ?

[Dave Korn]

> -----Original Message-----
> From: Valery Pykhtin  
> Sent: 08 September 2004 12:25

> Hi Dave,
> 
> Its getting more and more interesting :)
> 
> > > (i386 Intel syntax)
> > >
> > > mov eax,myfxptr
> > > ...
> > > call [eax]    // in user's program
> > >
> > > Does GCC compiler tells the linker in this case that myfx 
> is called ?
> >
> >   The linker will find a reloc pointing at the "mov eax" instruction
> above,
> > and so can deduce that myfx is referred to and knows not to 
> discard it.
> 
> So what is the problem with pointers to functions that are passed to
> external dynamic library? The linker could still find these 
> relocates and
> consider not to discard these functions?
> 
> Best regards,
> Valery

  I didn't really follow Nick's argument, and since Alan points out that it
has been implemented, I guess it must be possible after all.


    cheers, 
      DaveK
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