/sys/src/cmd/7l % mk install
7c -FTVw asm.c
7c -FTVw asmout.c
7c -FTVw ../7c/enam.c
7c -FTVw bits.c
7c -FTVw cnam.c
7c -FTVw compat.c
7c -FTVw dyn.c
7c -FTVw list.c
7c -FTVw noop.c
7c -FTVw obj.c
7c -FTVw optab.c
7c -FTVw span.c
7c -FTVw pass.c
7c -FTVw mod.c
7l  -o 7.out asm.7 asmout.7 enam.7 bits.7 cnam.7 compat.7 dyn.7 list.7 noop.7 obj.7 optab.7 span.7 pass.7 mod.7
7l 294152: suicide: sys: trap: fault read addr=0xe3320003e3b9001b pc=0x219a8
mk: 7l  -o ...  : exit status=rc 294150: 7l 294152: sys: trap: fault read addr=0xe3320003e3b9001b pc=0x219a8