ref: f4624471579e0cfb531ffc733cdbe007ecdfed9d dir: /lib9/getcallerpc-Linux-spim.S/
#include <sys/regdef.h> #include <sys/asm.h> LEAF(getcallerpc) .set noreorder addiu t0,a0,-4 j ra lw v0,0(t0) .set reorder END(getcallerpc)