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Re: [RFA] Fix to handle enums with values above LONG_MAX
Elena Zannoni <ezannoni@cygnus.com> writes:
> John R. Moore writes:
> >
> > Ok, this went on deaf ears... to illustrate, do the following:
> >
>
> It's in my queue. Do you get this error on other platforms besides
> Linux?
It should occur everywhere.
>
> Elena
>
>
> > ------------------------- example.c ---------------------------
> > #include <stdio.h>
> >
> > enum AAA
> > {
> > a = 0x1,
> > b = 0xFFFFFFFF, /* If this is > LONG_MAX we core dump */
> > };
> >
> > int
> > main ()
> > {
> > unsigned int x = a;
> > printf ("x = 0x%x\n", x);
> > }
> > ----------------------- end example.c -------------------------
> >
> > % gcc -g example.c -o example
> > % gdb -nw example
> > (gdb) print a
> > Segmentation fault (core dumped)
> > %
> >
> > John Moore
> >
> > On Tue, 8 May 2001, John R. Moore wrote:
> >
> > >
> > > This fix has been tested on linux 2.4.4 kernel using gcc RedHat-2.97.
> > > Without this fix, gdb simply core-dumps.
> > >
> > >
> > > 2001-05-08 John Moore <jmoore@redhat.com>
> > >
> > > * stabsread.c (read_huge_number): Fix to allow gdb to handle
> > > enums with unsigned long values above LONG_MAX.
> > >
> > > Index: gdb/stabsread.c
> > > ===================================================================
> > > RCS file: /cvs/cvsfiles/devo/gdb/stabsread.c,v
> > > retrieving revision 2.178
> > > diff -p -u -r2.178 stabsread.c
> > > --- gdb/stabsread.c 2001/03/26 19:54:39 2.178
> > > +++ gdb/stabsread.c 2001/05/07 22:45:47
> > > @@ -4433,10 +4433,7 @@ read_huge_number (char **pp, int end, in
> > > p++;
> > > }
> > >
> > > - if (os9k_stabs)
> > > - upper_limit = ULONG_MAX / radix;
> > > - else
> > > - upper_limit = LONG_MAX / radix;
> > > + upper_limit = ULONG_MAX / radix;
> > >
> > > while ((c = *p++) >= '0' && c < ('0' + radix))
> > > {
> > >
> > >
> > >
> >
--
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