ref: 600bbfe4aaa9ad0f73d8d73eef1b7670e5f7d3a3 dir: /lib9/getcallerpc-NetBSD-386.S/
#include <machine/asm.h> NENTRY(getcallerpc) movl 4(%esp), %eax movl -4(%eax), %eax ret END(getcallerpc)