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Re: [patch 3.4/3.5] libffi & libjava port for hppa-linux


John David Anglin writes:
 > > Ulrich Weigand investigated that the Debian glibc is not recent, as
 > > gcc-3.4 needs a glibc backtrace function using dw2 information.
 > 
 > That's an issue that I have been wondering about.  I get somewhat
 > different test results using a glibc built with dw2 info than I do
 > with the standard debian glibc build.

It's not just that, it's how backtrace() in glibc is defined.  With
recent glibcs we call into the libgcc runtime to do the backtrace.

We're investigating breaking this Gordian knot in libjava by avoiding
backtrace() and calling the libgcc unwinder directly.

Andrew.


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