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Re: [patch] Fix CLONE_VM vs. TLS [Re: Is CLONE_VM really needed in gdbserver?]


On Wed, Jan 27, 2010 at 11:12:36PM +0100, Jan Kratochvil wrote:
> No regressions on {x86_64,x86_64-m32,i686}-fedora12-linux-gnu and on
> x86_64-fedora12-linux-gnu via gdbserver.
> 
> Verified linux_supports_tracefork_flag gets still set with the patch.
> 
> Verified unsetting HAVE_FORK for gdb/gdbserver/ still works the same.
> 
> gdb/ already tests HAVE_FORK in config.in but it is brought in by other
> macros, therefore rather added an explicit configure.ac test for it.
> 
> Have not found an easy enough uClinux disk image of some arch for qemu-*.

I don't recommend testing HAVE_FORK; uClibc may provide a dummy fork
that returns ENOSYS.  There's a HAS_NOMMU in linux-low.c that should work.

For the test case, what defines UCLINUX?

-- 
Daniel Jacobowitz
CodeSourcery


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