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Re: [ppc64-linux]: specify size of long double on PPC64 Linux
Kevin Buettner <kevinb@redhat.com> writes:
> On Jun 11, 2:50am, Jim Blandy wrote:
>
> > 2003-06-11 Jim Blandy <jimb@redhat.com>
> >
> > * ppc-linux-tdep.c (ppc_linux_init_abi): long doubles are 16 bytes
> > long.
> >
> > Index: gdb/ppc-linux-tdep.c
> > ===================================================================
> > RCS file: /cvs/src/src/gdb/ppc-linux-tdep.c,v
> > retrieving revision 1.28.8.13
> > diff -c -r1.28.8.13 ppc-linux-tdep.c
> > *** gdb/ppc-linux-tdep.c 10 Jun 2003 18:00:30 -0000 1.28.8.13
> > --- gdb/ppc-linux-tdep.c 11 Jun 2003 06:43:41 -0000
> > ***************
> > *** 1027,1032 ****
> > --- 1027,1034 ----
> >
> > if (tdep->wordsize == 8)
> > {
> > + set_gdbarch_long_double_bit (gdbarch, 16 * TARGET_CHAR_BIT);
> > +
> > set_gdbarch_call_dummy_address (gdbarch, ppc64_call_dummy_address);
> >
> > set_gdbarch_in_solib_call_trampoline
>
> Do you really need to do this?
>
> rs6000-tdep.c already has the following in it:
>
> if (sysv_abi)
> set_gdbarch_long_double_bit (gdbarch, 16 * TARGET_CHAR_BIT);
> else
> set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
>
> So, if I'm not mistaken, the size of long doubles should already be
> set correctly.
Ach, yes, I read that backwards. Thanks for catching that.