Failure to dlopen libgomp due to static TLS data

Rich Felker dalias@libc.org
Thu Feb 12 16:10:00 GMT 2015


On Thu, Feb 12, 2015 at 04:18:57PM +0100, Ulrich Weigand wrote:
> Hello,
> 
> we're running into a problem related to use of initial-exec access to
> TLS variables in dynamically-loaded libraries.  Now, in general, this
> is actually not supported.  However, there seems to an "inofficial"
> extension that allows selected system libraries to use small amounts
> of static TLS space to allow critical variables to be defined to use
> the initial-exec model even in dynamically-loaded libraries.

This usage is supposed to be deprecated. Why isn't libgomp using
TLSDESC/gnu2 model?

Rich



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