[Libguestfs] hivex: Test failure for Perl, OCaml, Python bindings on sparc

[Richard W.M. Jones]

On Wed, May 11, 2011 at 05:41:38PM +0200, Hilko Bengen wrote:
> * Richard W.M. Jones:
> 
> > On Wed, May 11, 2011 at 09:37:45AM +0200, Hilko Bengen wrote:
> >> I am going to make an attempt at debugging this tonight, any advice
> >> would be appreciated.
> >
> > What is the C integer model of sparc64?
> 
> Apparently, only the kernel is 64bit, so posting the uname string was
> misleading. The generated binaries are 32bit binaries, this is also what
> gcc generates by default. (-m64 is supported by gcc.)
> 
> ,----
> | (sid)bengen at smetana:~/hivex.git$ file lib/.libs/libhivex.so.0.0.0 sh/.libs/hivexsh 
> | lib/.libs/libhivex.so.0.0.0: ELF 32-bit MSB shared object, SPARC32PLUS, V8+ Required, version 1 (SYSV), dynamically linked, not stripped
> | sh/.libs/hivexsh:            ELF 32-bit MSB executable, SPARC32PLUS, V8+ Required, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.26, not stripped
> `----
> 
> > I notice that we're storing the size_t (hive_value_t) values in Perl
> > integers using newSViv.
> 
> Both size_t and int are 32 bit values.  An endianess issue, maybe?

I guess it might be.  We're supposed to be doing le32toh / be32toh
everywhere as appropriate, but we might be missing one.  The code is
mainly tested on little endian arches.

Rich.

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