From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <a5176f54467838c738351aa5f9f143da@proxima.alt.za>
To: 9fans@9fans.net
Date: Sat, 31 Aug 2013 16:36:43 +0200
From: lucio@proxima.alt.za
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Subject: [9fans] Building Go/386
Topicbox-Message-UUID: 77c58142-ead8-11e9-9d60-3106f5b1d025

This looks ugly!

cmd/8g
8c 1568: suicide: sys: trap: fault read addr=0x0 pc=0x0003718d
go tool dist: FAILED: /bin/8c -FTVw -I/n/shackle/go/include/plan9 -I/n/shackle/go/include/plan9/386 -I/n/shackle/go/src/cmd/ld -I /n/shackle/go/src/cmd/8g -o $WORK/ggen.8 /n/shackle/go/src/cmd/8g/ggen.c: '/n/shackle/go/pkg/tool/plan9_386/8g' does not exist
warning: /n/shackle/go/src/cmd/8g/gobj.c:38 result of operation not used
shackle% acid 1568
/proc/1568/text:386 plan 9 executable
/sys/lib/acid/port
/sys/lib/acid/386
acid: lstk()
abort()+0x0 /sys/src/libc/9sys/abort.c:6
regalloc(o=0x0,tn=0x13bcf8,n=0xdfff5a78)+0xbb /sys/src/cmd/8c/txt.c:314
biggen(a=0x3911c,code=0x3ce5c,l=0x13bcf8,r=0xdfff5c48,t=0x0,true=0x0)+0xd88 /sys/src/cmd/8c/cgen64.c:1522
	args=0x1732e
	to=0x0
	ro=0x0
	lo=0x0
	cp=0x3ce61
	c=0x3ce5c
	g=0x1
	i=0x0
	j=0x13b908
	ot=0x0
	tmps=0x0
	tl=0x0
	tr=0x0
	op=0x82
	lt=0x4ad00
	pr=0x0
cgen64(nn=0x13bcf8,n=0x136158)+0x18b2 /sys/src/cmd/8c/cgen64.c:1784
	cmp=0x0
	sh=0x0
	d=0x0
	optab=0x3a214
	args=0x3911c
	dr=0x1
	l=0x13bcf8
	r=0xdfff5c48
	li=0x0
	ri=0x3
	lri=0x2
	t=0x13bcf8
	dt=0x4ad78
	nod2=0x0
	nod3=0x0
	c=0x0
	nod1=0x0
	m=0x1
	s=0x0
	op=0x0
	true=0x0
	nod5=0x13a8b8
	nod4=0x0
	cp=0x13a630
	si=0x1e
sugen(w=0x8,nn=0x13bcf8,n=0x136158)+0x160 /sys/src/cmd/8c/cgen.c:1701
	t=0x0
	nod1=0x1
	nod2=0x2
	nod0=0x0
	l=0x3
	r=0x3
	nod3=0x0
	nod4=0x3a214
	h=0x3
	p1=0x0
	x=0x0
	v=0x1
	c=0x0
cgen64(nn=0x13bcf8,n=0x13b998)+0x1dcd /sys/src/cmd/8c/cgen64.c:1734
	cmp=0x0
	sh=0x0
	d=0x0
	optab=0x3fa74
	args=0x39194
	dr=0x1
	l=0x136158
	r=0x13bdd0
	li=0x0
	ri=0x0
	lri=0x0
	t=0x13bcf8
	dt=0x0
	nod2=0x0
	nod3=0xdfff6738
	c=0x0
	nod1=0x0
	m=0x0
	s=0x0
	op=0x0
	true=0x0
	nod5=0x18d5d
	nod4=0x0
	cp=0x0
	si=0x0
sugen(w=0x8,nn=0x13bcf8,n=0x13b998)+0x160 /sys/src/cmd/8c/cgen.c:1701
	t=0x70
	nod1=0x2
	nod2=0x5c
	nod0=0x0
	l=0xdfff66d4
	r=0x138bc0
	nod3=0x0
	nod4=0x0
	h=0x0
	p1=0xdfff627c
	x=0x0
	v=0x1
	c=0x0
cgen64(nn=0xdfff6f98,n=0x1361e8)+0x2bc6 /sys/src/cmd/8c/cgen64.c:2526
	cmp=0x0
	sh=0x0
	d=0x13bcf8
	optab=0x1732e
	args=0x18d5d
	dr=0x0
	l=0x13b998
	r=0x180d7
	li=0x0
	ri=0x0
	lri=0x0
	t=0x1b
	dt=0xdfff6f98
	nod2=0x1b070
	nod3=0x0
	c=0xdfff6490
	nod1=0x8
	m=0x0
	s=0x1
	op=0x0
	true=0x0
	nod5=0xdfff627c
	nod4=0x44
	cp=0x70
	si=0x0
cgen(nn=0xdfff6f98,n=0x1361e8)+0x28d1 /sys/src/cmd/8c/cgen.c:1125
	r=0x0
	o=0x1b
	curs=0x0
	l=0x13b998
	nod=0x70
	nod1=0x0
	hardleft=0x1
	nod2=0x0
	c=0x180c4
	v=0xdfff6f98
	nod3=0x135e80
	nod4=0x180d7
	onod=0x0
	p1=0xdfff6f98
garg1(tn2=0xdfff6f50,f=0x1,fnxp=0xdfff6854,n=0x1361e8,tn1=0xdfff6f98)+0x1ca /sys/src/cmd/8c/txt.c:231
	nod=0x0
garg1(tn2=0xdfff6f50,f=0x1,fnxp=0xdfff6854,n=0x136230,tn1=0xdfff6f98)+0x72 /sys/src/cmd/8c/txt.c:187
	nod=0x0
garg1(tn2=0xdfff6f50,f=0x1,fnxp=0xdfff6854,n=0x136080,tn1=0xdfff6f98)+0x72 /sys/src/cmd/8c/txt.c:187
	nod=0x0
garg1(tn2=0xdfff6f50,f=0x1,fnxp=0xdfff6854,n=0x135f60,tn1=0xdfff6f98)+0x72 /sys/src/cmd/8c/txt.c:187
	nod=0x0
garg1(tn2=0xdfff6f50,f=0x1,fnxp=0xdfff6854,n=0x135ec8,tn1=0xdfff6f98)+0x72 /sys/src/cmd/8c/txt.c:187
	nod=0xdfff67f4
garg1(tn2=0xdfff6f50,f=0x1,fnxp=0xdfff6854,n=0x135e38,tn1=0xdfff6f98)+0x72 /sys/src/cmd/8c/txt.c:187
	nod=0x0
gargs(n=0x135e38,tn1=0xdfff6f98,tn2=0xdfff6f50)+0x98 /sys/src/cmd/8c/txt.c:160
	regs=0x0
	fnxargs=0x193bb
	fnxp=0xdfff6858
cgen(nn=0xdfff718c,n=0x136278)+0x3763 /sys/src/cmd/8c/cgen.c:916
	r=0x135e38
	o=0x27
	curs=0x0
	l=0x135d60
	nod=0x0
	nod1=0x135fa8
	hardleft=0x0
	nod2=0x1
	c=0x0
	v=0x0
	nod3=0x8
	nod4=0x0
	onod=0xdfff725c
	p1=0xdfff718c
cgen(nn=0x0,n=0x1362c0)+0x121b /sys/src/cmd/8c/cgen.c:123
	r=0x136278
	o=0x6
	curs=0x0
	l=0x135d18
	nod=0x0
	nod1=0x136230
	hardleft=0x0
	nod2=0x1361e8
	c=0xa
	v=0x4ad78
	nod3=0x1a32a
	nod4=0x4ad78
	onod=0x1c40b
	p1=0x135d18
gen(n=0x1362c0)+0x126 /sys/src/cmd/cc/pgen.c:534
	o=0x6
	l=0x1
	nod=0x0
	rn=0x135c40
	sp=0x4acb0
	cn=0x14f2f
	sbc=0x135ad0
	snbreak=0x135c40
	spb=0x0
	scc=0x135c40
	spc=0x135c40
	sncontin=0x1ea68
	f=0x135cd0
	oldreach=0x14f2f
gen(n=0x136350)+0xb53 /sys/src/cmd/cc/pgen.c:515
	o=0x2d
	l=0x135cd0
	nod=0x0
	rn=0x4c7d8
	sp=0x13b878
	cn=0x14f2f
	sbc=0x135690
	snbreak=0x1ac1b
	spb=0x1
	scc=0x135720
	spc=0x0
	sncontin=0x1ea57
	f=0x135720
	oldreach=0x28
gen(n=0x136428)+0x5ed /sys/src/cmd/cc/pgen.c:421
	o=0x26
	l=0x1363e0
	nod=0x0
	rn=0x4c868
	sp=0x13ae58
	cn=0x14f2f
	sbc=0xffffffff
	snbreak=0x0
	spb=0x13aee8
	scc=0xffffffff
	spc=0x13aea0
	sncontin=0x0
	f=0xffffff61
	oldreach=0x14f2f
gen(n=0x136500)+0xbbb /sys/src/cmd/cc/pgen.c:524
	o=0x2d
	l=0x133a50
	nod=0x0
	rn=0x0
	sp=0x13a3a8
	cn=0x0
	sbc=0x0
	snbreak=0x0
	spb=0x80000000
	scc=0x0
	spc=0x0
	sncontin=0x0
	f=0xdfff74b8
	oldreach=0x1
codgen(nn=0x132668,n=0x132890)+0x195 /sys/src/cmd/cc/pgen.c:72
	n1=0x1323e0
	sp=0x136590
yyparse()+0x3dd /sys/src/cmd/cc/cc.y:1741
	save1=0x0
	save2=0x0
	save3=0x0
	save4=0x0
	yystate=0x2
	yychar=0xffffffff
	yys=0x0
	yyp=0xdfff7654
	yyn=0xfffffc18
	yypt=0xdfff76cc
	w=0x0
	n=0x0
	s=0x0
compile(file=0xdfffefa8,ndef=0x0,defs=0x0)+0x2d0 /sys/src/cmd/cc/lex.c:291
	ofile=0x732f6e2f
	p=0xdfffecc9
	incfile=0x3638332f
	c=0x3
	fd=0x0
	av=0x0
	i=0x0
	opt=0x0
main(argv=0xdfffeef8,argc=0x1)+0x17b /sys/src/cmd/cc/lex.c:154
	maxdef=0x0
	ndef=0x0
	defs=0x0
	_argc=0x6f
	_args=0xdfffef8a
	p=0x0
	np=0x0
	nproc=0x0
	c=0x0
	nout=0x0
	status=0x0
_main+0x31 /sys/src/libc/386/main9.s:16
acid:

My gut says this is a Plan 9 problem: something tickled a bug in 8c.
I hope someone here can diagnose the issue.

I needed to modify /sys/include/bio.h as well as
/sys/src/libbio/^(bgetc.c bputc.c) to get this far in the Go build; I
have nothing against adding Bgetle2(), Bgetle4(), Bputle2() and
Bputle4() to libbio, I do wish I had seen that coming.

We do seem to be losing ground to the Go developers, I have a feeling
that it is going to be hard to catch up.

++L

PS: One irritant I would gladly get rid of is the sheer number of
warnings that are being produced:

cmd/cc
warning: /n/shackle/go/src/cmd/cc/y.tab.c:1785[/n/shackle/go/src/cmd/cc/y.tab.c:3489] result of operation not used
warning: /n/shackle/go/src/cmd/cc/y.tab.c:1785[/n/shackle/go/src/cmd/cc/y.tab.c:3489] result of operation not used
warning: /n/shackle/go/src/cmd/cc/y.tab.c:1791[/n/shackle/go/src/cmd/cc/y.tab.c:3495] result of operation not used
warning: /n/shackle/go/src/cmd/cc/y.tab.c:1791[/n/shackle/go/src/cmd/cc/y.tab.c:3495] result of operation not used

as an example.  I haven't quite figured out what triggers these, nor
how to eliminate them.