Re: [RFA] Fix to handle enums with values above LONG_MAX

[Elena Zannoni <ezannoni at cygnus dot com>]

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?

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))
 > >      {
 > >
 > >
 > >
 >