Hello, I found the answer;-) Just take a vanilla kernel 2.6.13 and it works perfectly.
Thanks for your efforts to help me!
Regards,
Robert
On Sunday 09 October 2005 10:44, Robert Diemer wrote:
> On Sunday 09 October 2005 03:49, Steve Underwood wrote:
> > Robert Diemer wrote:
> > >Hello,
> > >thank you for your answer, Steve. Unfortunatly your version from liHIL
> > > don't work, too. There is the same error.
> > >If I make a "strace gdbproxy msp430" (libHIL in 32bit version) I get the
> > >following output:
> > >...
> > >open("/dev/parport0", O_RDWR) = 3
> > >ioctl(3, PPCLAIM, 0xffffcf28) = 0
> > >ioctl(3, PPDATADIR, 0xffffce34) = -1 EINVAL (Invalid argument)
> > >dup(2) = 4
> > >fcntl64(4, F_GETFL) = 0x8002 (flags
> > > O_RDWR|O_LARGEFILE) brk(0) = 0x8103000
> > >brk(0x8124000) = 0x8124000
> > >fstat64(0x4, 0xffffcc6c) = 0
> > >...
> > >
> > >On a 32bit computer the syscall "ioctl(3, PPDATADIR, 0xffffce34)" works,
> > > the result is 0 and not -1.
> > >
> > >
> > >And if I use a short test-program with libHIL, both in 64bit mode, it
> > > works too.
> > >Therefore I think the problem is the syscall.
> > >
> > >Now, I don't know how to isolate the problem. I thought that the problem
> > > was the conversion of the pointer in the ioctl-syscall to unsigned
> > > long.
> > >
> > >Has anybody an idea?
> > >Steve, can you tell me please which library you use with gdbproxy?
> > >
> > >My ldd-output is
> > > linux-gate.so.1 => (0xffffe000)
> > > libHIL.so => /usr/local/msp430//lib32/libHIL.so (0x5556d000)
> > > libc.so.6 => /lib32/libc.so.6 (0x55591000)
> > > /lib/ld-linux.so.2 (0x55555000)
> > >These are all 32bit libraries.
> >
> > I guess the conversion of the unsigned long is the source of the
> > problem. However, it works out OK on other x86_64 machines. If it
> > didn't, 32 bit compatibility wouldn't work. ioctl calls are used by most
> > programs, though the ones to ppdev may be rare. My machine is running
> > Linux 2.6.13, but note that the Fedora versions of the kernels always
> > contain various patches. I used to run 2.6.12 on the same machine,
> > without problems.
> >
> > My ldd output is:
> > linux-gate.so.1 => (0xffffe000)
> > libHIL.so => /usr/lib/libHIL.so (0xf7fc6000)
> > libc.so.6 => /lib/libc.so.6 (0x00a33000)
> > /lib/ld-linux.so.2 (0x00a15000)
> >
> > Regards,
> > Steve
>
> Thanks for your answer. I had the same thoughts, but I have not found a
> solution yet. I will compare my kernel (2.6.12) with the fedory ones.
> Perhaps I find the answer...
>
> Regards,
> Robert
--
------------------------------------------------------------------------
Dipl.-Ing. Robert Diemer http://www.rcs.ei.tum.de
Institute for Real-Time Computer Systems (RCS) fon +49-89-289-23731
Technische Universitaet Muenchen, D-80290 Muenchen fax +49-89-289-23555
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