michael@0: define hookpost-run
michael@0:     if ($sigaction)
michael@0:         call free($sigaction)
michael@0:         set $sigaction = 0
michael@0:     end
michael@0: end
michael@0: 
michael@0: catch signal SIGSEGV
michael@0: commands
michael@0:     if !$sigaction
michael@0:         set $sigaction = malloc(sizeof(sigaction))
michael@0:     end
michael@0:     set $ignored = __sigaction(11, 0, $sigaction)
michael@0:     set $handler = ((struct sigaction *)$sigaction)->__sigaction_handler.sa_handler
michael@0:     if $handler == AsmJSFaultHandler
michael@0:         continue
michael@0:     end
michael@0: end