ref: 8a788aea84aad3bfbd5b39d78c1925654f3b9e14 dir: purgatorio/lib9/getcallerpc-NetBSD-386.S
#include <machine/asm.h> NENTRY(getcallerpc) movl 4(%esp), %eax movl -4(%eax), %eax ret END(getcallerpc)