Re: Problems with _Unwind_Backtrace() vs signal handlers

[Andrew Haley <aph at redhat dot com>]

Bryce McKinlay writes:
 >
 > I don't think Linux uses MD_FALLBACK_FRAME_STATE_FOR any more, at
 > least on the i686/ppc/x86-64 targets which I checked. Instead, my
 > understanding is that glibc now provides the unwind info for its
 > signal handler frames.

That may well be true, but libgcj does not use glibc's signal handler
frames -- we talk directly to the kernel, and always have.  The real
problem is that we don't fix the IP address before calling
_Unwind_Backtrace().

Andrew.