On 03/27/17 05:36 PM, Doug Moore wrote: > It looks like the call to tdep_fetch_frame in fetch_proc_info would determine > whether or not this was a signal frame, and thus whether or not we needed to > use the previous instruction for the lookup. > > Of course, we call tdep_fetch_frame only after we’ve already tried that > lookup. But perhaps some of the work done to identify signal frames could be > moved up a bit, so that a better decision could be made about whether or not > to use the previous instruction. > > Does that make any sense?
But I think we need to know the IP to detect signal frames? My thought was that if IP-1 lookup failed, we could try IP lookup, and if it was a signal frame, use that instead (probably with verify=1) _______________________________________________ Libunwind-devel mailing list Libunwind-devel@nongnu.org https://lists.nongnu.org/mailman/listinfo/libunwind-devel