David Mosberger-Tang wrote:
This needs to work cross-platform; can you assume that a _host's_ <<long
double>> is a 128-bit type?
Eh? If "long double" doesn't match the host's format, you're screwed
anyhow. That's why I'd suggest to declare fpreg_t based on
"unw_word_t" or something like that, like we do on ia64, for example.
--david
Ah, but i386 and x86-64 do not:
libunwind-i386/include/libunwind.h:typedef long double unw_tdep_fpreg_t;
libunwind/include/libunwind.h:typedef long double unw_tdep_fpreg_t;
libunwind-ppc64/include/libunwind.h:typedef long double unw_tdep_fpreg_t;
libunwind-x86_64/include/libunwind.h:typedef long double unw_tdep_fpreg_t;
where to the SSE registers fit in to this?
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