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Re: compiler error on PPC64
- From: Daniel Jacobowitz <drow at false dot org>
- To: Manoj Iyer <manjo at austin dot ibm dot com>
- Cc: gdb at sources dot redhat dot com
- Date: Fri, 12 Mar 2004 16:38:07 -0500
- Subject: Re: compiler error on PPC64
- References: <Pine.LNX.4.58.0403122146000.17315@lazy>
On Fri, Mar 12, 2004 at 10:00:30PM +0100, Manoj Iyer wrote:
>
> I am getting an error message from the compiler on PPC64 (gcc version
> powerpc64-linux-gcc (GCC) 3.3.3-hammer)
>
> ppc-linux-tdep.c:956: error: parse error before numeric constant
>
> This happens when the file is compiled as 64bit, on suse with 2.6 kernel
> headers. What I think is wrong is that, is there any reason to use
>
> enum {
> ELF_NGREG = 48,
> ELF_NFPREG = 33,
> ELF_NVRREG = 33
> };
>
> instead of using
>
> #define ELF_NGREG 48
> #define ELF_NFPREG 33
> #define ELF_NVRREG 33
>
> Because, in the header file,
>
> /usr/include/asm-ppc64/elf.h:#define ELF_NGREG 48 /* includes nip, msr,
> lr, etc. */
>
> is already defined as 48 and the compiler sees 48 = 48 in the enum and so
> complains.
Even better, the constants should be renamed not to conflict with the
copies in the system headers.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer