gstarch Architecural specific macros and functions. This file contains various macros and function for performing common GStreamer tasks that requires some knowledge of the underlaying architecture. Porting to other CPU architectures will typically require adding appropriate implementations in this file. Sets the stackpointer. @stackpointer: the stackpointer to set. Jumps to a specific location in memory. @target: the memory to jump to. Make toom on the stack? @sp: the stackpointer to modify. Do something funny, which is required on some archs..