gdb + cygwin

[Earnie Boyd]

--- Charles Wilson <cwilson@ece.gatech.edu> wrote:
> Earnie Boyd wrote:
> 
> > --- Charles Wilson <cwilson@ece.gatech.edu> wrote:
> > >
> > > Okay, I tried this:
> > >     gcc -Wall -c smain.c ===> no errors
> > >     gcc -Wall -c gaaout.c ===> a few errors having to do with a return
> (no
> > > args)
> > > in a function that isn't supposed to return void. After I fixed 'em,
> > >
> > >     gcc -Wall -c gaaout.c ===> no errors
> > >     gcc -o smain smain.o gaaout.o ===> no errors
> > >
> > > execute `smain' ==> core dump. sigh.
> >
> > How about referencing memory location zero due to a NULL pointer reference?
> > This will always SIGSEGV.
> >
> > BTW, Mumit always suggests using Purify or ElectricFence to check the
> memory
> > allocation.  I've often suggested using the -lmmalloc library.
> 
> Well, linking with electricfence on HP-UX showed no problems. Will
> electricfence
> run in cygwin? (I would just try it and see, but perens.com seems to be down
> right
> now, so I can't get the source code). Also, does efence check for NULL
> pointer
> references in addition to memory allocation errors?

Don't know, is the answer to both questions.  I've not had experience with
either Purify or ElectricFence yet.
===
"Earnie Boyd" < mailto:earnie_boyd@yahoo.com >
CYGWIN RELATED HELP:
 DOCUMENTATION: < http://sourceware.cygnus.com/cygwin/docs.html >
       DLLHELP: < http://www.xraylith.wisc.edu/~khan/software/gnu-win32/ >
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                < http://www.eGroups.com/list/gnu-win32/ >
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