amyagkov@mrtam:~/repo/gmr_run$ GOOS=plan9 GOARCH=arm GOEXPERIM='' GOARM=7 go build hw.go
# command-line-arguments
runtime.hashinit: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1603)	BL	,runtime.nanotime+0(SB)
runtime.chansend: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1826)	BL	,runtime.cputicks+0(SB)
runtime.chansend: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1851)	BL.NE	,runtime.cputicks+0(SB)
runtime.chansend: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1917)	BL.NE	,runtime.cputicks+0(SB)
runtime.chanrecv: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1960)	BL	,runtime.cputicks+0(SB)
runtime.chanrecv: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1982)	BL.NE	,runtime.cputicks+0(SB)
runtime.chanrecv: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(2055)	BL.NE	,runtime.cputicks+0(SB)
runtime.notetsleep: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1186)	BL	,runtime.nanotime+0(SB)
runtime.notetsleep: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1198)	BL	,runtime.nanotime+0(SB)
gc: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(3702)	BL	,runtime.nanotime+0(SB)
gc: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(3746)	BL	,runtime.nanotime+0(SB)
gc: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(3757)	BL	,runtime.nanotime+0(SB)
gc: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(3761)	BL	,runtime.nanotime+0(SB)
gc: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(3790)	BL	,runtime.nanotime+0(SB)
MHeap_FreeLocked: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1815)	BL	,runtime.nanotime+0(SB)
runtime.MHeap_Scavenger: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1943)	BL	,runtime.nanotime+0(SB)
runtime.MHeap_Scavenger: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1958)	BL	,runtime.nanotime+0(SB)
time.now: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1232)	BL	,runtime.nanotime+0(SB)
runtime.schedinit: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(1885)	BL	,runtime.nanotime+0(SB)
mcommoninit: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
(2000)	BL	,runtime.cputicks+0(SB)
findrunnable: illegal combination BL C_NONE C_NONE C_ADDR, 1 3
too many errors