/* On PPC when consing wants to turn to alloc(), it does so via a
* trap. When alloc() wants to save the sigmask it consults
* allocation_trap_context. It does not look up the most recent
/* On PPC when consing wants to turn to alloc(), it does so via a
* trap. When alloc() wants to save the sigmask it consults
* allocation_trap_context. It does not look up the most recent