> On 01/30/2012 11:07 AM, Paul Brook wrote: > > It's worth noting that -fasync-unwind-tables does not guarantee > > backtrace/unwind from arbitrary points. Only from those instructions > > that may result in a synchronous trap (which matches the semantics of > > this patch). > > ... and we're not talking about arbitrary points. We're talking about call > sites. Whether or not the call itself is marked nothrow.
What about backtracing from a signal handler? Paul
