nacl - run tests under emulator.

special all-nacl.bash and test/run-nacl that
run just the tests known to work under nacl.
the rest requires closures.

fix another bug or two in syscall.

R=r
DELTA=420  (410 added, 8 deleted, 2 changed)
OCL=34882
CL=34907

src/all-nacl.bash

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# TODO(rsc): delete in favor of all.bash once nacl support is complete
+
+set -e
+bash make.bash
+
+xcd() {
+	echo
+	echo --- cd $1
+	builtin cd $1
+}
+
+(xcd ../test
+./run-nacl
+) || exit $?

src/cmd/gotest/gotest

@@ -16,6 +16,12 @@ if [ -z "$O" ]; then
 	exit 1
 fi
 
+E=""
+case "$GOOS" in
+nacl)
+	E="nacl"
+esac
+
 # Allow overrides
 GC=${_GC:-$GC}
 GL=${GL:-$LD}
@@ -124,4 +130,4 @@ importpath=$(make -s importpath)
 
 $GC _testmain.go
 $GL _testmain.$O _test/$importpath.a $xofile
-./$O.out "$@"
+$E ./$O.out "$@"

src/pkg/syscall/asm_nacl_386.s

@@ -85,8 +85,7 @@ ok6:
 	RET
 
 // func RawSyscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr);
-TEXT syscall·RawSyscall(SB),7,$0
+TEXT syscall·RawSyscall(SB),7,$20
-TEXT	syscall·Syscall(SB),7,$20
 	MOVL	trap+0(FP), AX	// syscall entry
 	MOVL	a1+4(FP), BX
 	MOVL	a2+8(FP), CX

src/pkg/syscall/syscall_nacl.go

@@ -219,6 +219,8 @@ const (
 	SO_REUSEADDR;
 	SO_SNDBUF;
 	TCP_NODELAY;
+	WNOHANG;
+	WSTOPPED;
 	_PTRACE_TRACEME;
 )
 

test/nacl-pass.txt

@@ -0,0 +1,287 @@
+./64bit.go
+./args.go
+./assign.go
+./bigalg.go
+./blank.go
+./blank1.go
+./chancap.go
+./char_lit.go
+./closedchan.go
+./cmp1.go
+./complit.go
+./compos.go
+./const.go
+./const1.go
+./const2.go
+./const3.go
+./convert.go
+./convert3.go
+./convlit.go
+./convlit1.go
+./decl.go
+./declbad.go
+./empty.go
+./escape.go
+./escape1.go
+./float_lit.go
+./for.go
+./func.go
+./func1.go
+./func2.go
+./func3.go
+./func4.go
+./gc.go
+./gc1.go
+./hashmap.go
+./hilbert.go
+./if.go
+./if1.go
+./import.go
+./import1.go
+./indirect.go
+./indirect1.go
+./initcomma.go
+./initialize.go
+./initializerr.go
+./initsyscall.go
+./int_lit.go
+./intcvt.go
+./iota.go
+./literal.go
+./map.go
+./method.go
+./method1.go
+./method2.go
+./method3.go
+./named.go
+./nil.go
+./parentype.go
+./range.go
+./rename.go
+./rename1.go
+./sieve.go
+./simassign.go
+./string_lit.go
+./stringrange.go
+./switch.go
+./switch1.go
+./test0.go
+./typeswitch.go
+./typeswitch1.go
+./utf.go
+./varinit.go
+./vectors.go
+ken/array.go
+ken/chan.go
+ken/chan1.go
+ken/complit.go
+ken/divconst.go
+ken/divmod.go
+ken/embed.go
+ken/for.go
+ken/interbasic.go
+ken/interfun.go
+ken/mfunc.go
+ken/modconst.go
+ken/ptrfun.go
+ken/ptrvar.go
+ken/range.go
+ken/robfor.go
+ken/robfunc.go
+ken/robif.go
+ken/shift.go
+ken/simparray.go
+ken/simpbool.go
+ken/simpconv.go
+ken/simpfun.go
+ken/simpvar.go
+ken/slicearray.go
+ken/sliceslice.go
+ken/strvar.go
+chan/fifo.go
+chan/perm.go
+chan/select.go
+chan/sieve.go
+interface/bigdata.go
+interface/convert.go
+interface/convert1.go
+interface/convert2.go
+interface/embed.go
+interface/explicit.go
+interface/fake.go
+interface/pointer.go
+interface/receiver.go
+interface/receiver1.go
+interface/recursive.go
+interface/struct.go
+fixedbugs/bug000.go
+fixedbugs/bug001.go
+fixedbugs/bug002.go
+fixedbugs/bug003.go
+fixedbugs/bug004.go
+fixedbugs/bug005.go
+fixedbugs/bug006.go
+fixedbugs/bug007.go
+fixedbugs/bug008.go
+fixedbugs/bug009.go
+fixedbugs/bug010.go
+fixedbugs/bug011.go
+fixedbugs/bug012.go
+fixedbugs/bug013.go
+fixedbugs/bug014.go
+fixedbugs/bug015.go
+fixedbugs/bug017.go
+fixedbugs/bug020.go
+fixedbugs/bug021.go
+fixedbugs/bug022.go
+fixedbugs/bug023.go
+fixedbugs/bug024.go
+fixedbugs/bug026.go
+fixedbugs/bug028.go
+fixedbugs/bug030.go
+fixedbugs/bug031.go
+fixedbugs/bug035.go
+fixedbugs/bug036.go
+fixedbugs/bug037.go
+fixedbugs/bug038.go
+fixedbugs/bug039.go
+fixedbugs/bug040.go
+fixedbugs/bug045.go
+fixedbugs/bug046.go
+fixedbugs/bug047.go
+fixedbugs/bug048.go
+fixedbugs/bug049.go
+fixedbugs/bug050.go
+fixedbugs/bug051.go
+fixedbugs/bug052.go
+fixedbugs/bug053.go
+fixedbugs/bug054.go
+fixedbugs/bug056.go
+fixedbugs/bug057.go
+fixedbugs/bug058.go
+fixedbugs/bug059.go
+fixedbugs/bug060.go
+fixedbugs/bug061.go
+fixedbugs/bug062.go
+fixedbugs/bug063.go
+fixedbugs/bug064.go
+fixedbugs/bug065.go
+fixedbugs/bug066.go
+fixedbugs/bug068.go
+fixedbugs/bug069.go
+fixedbugs/bug071.go
+fixedbugs/bug072.go
+fixedbugs/bug073.go
+fixedbugs/bug074.go
+fixedbugs/bug075.go
+fixedbugs/bug076.go
+fixedbugs/bug077.go
+fixedbugs/bug078.go
+fixedbugs/bug080.go
+fixedbugs/bug082.go
+fixedbugs/bug083.go
+fixedbugs/bug084.go
+fixedbugs/bug085.go
+fixedbugs/bug086.go
+fixedbugs/bug087.go
+fixedbugs/bug088.go
+fixedbugs/bug089.go
+fixedbugs/bug090.go
+fixedbugs/bug091.go
+fixedbugs/bug092.go
+fixedbugs/bug094.go
+fixedbugs/bug096.go
+fixedbugs/bug097.go
+fixedbugs/bug098.go
+fixedbugs/bug099.go
+fixedbugs/bug101.go
+fixedbugs/bug102.go
+fixedbugs/bug103.go
+fixedbugs/bug104.go
+fixedbugs/bug106.go
+fixedbugs/bug107.go
+fixedbugs/bug108.go
+fixedbugs/bug109.go
+fixedbugs/bug110.go
+fixedbugs/bug111.go
+fixedbugs/bug112.go
+fixedbugs/bug114.go
+fixedbugs/bug115.go
+fixedbugs/bug116.go
+fixedbugs/bug117.go
+fixedbugs/bug118.go
+fixedbugs/bug119.go
+fixedbugs/bug120.go
+fixedbugs/bug121.go
+fixedbugs/bug122.go
+fixedbugs/bug123.go
+fixedbugs/bug125.go
+fixedbugs/bug126.go
+fixedbugs/bug127.go
+fixedbugs/bug128.go
+fixedbugs/bug129.go
+fixedbugs/bug130.go
+fixedbugs/bug131.go
+fixedbugs/bug132.go
+fixedbugs/bug133.go
+fixedbugs/bug135.go
+fixedbugs/bug137.go
+fixedbugs/bug139.go
+fixedbugs/bug140.go
+fixedbugs/bug141.go
+fixedbugs/bug142.go
+fixedbugs/bug143.go
+fixedbugs/bug144.go
+fixedbugs/bug145.go
+fixedbugs/bug146.go
+fixedbugs/bug149.go
+fixedbugs/bug150.go
+fixedbugs/bug151.go
+fixedbugs/bug152.go
+fixedbugs/bug153.go
+fixedbugs/bug154.go
+fixedbugs/bug155.go
+fixedbugs/bug156.go
+fixedbugs/bug157.go
+fixedbugs/bug158.go
+fixedbugs/bug160.go
+fixedbugs/bug161.go
+fixedbugs/bug163.go
+fixedbugs/bug164.go
+fixedbugs/bug165.go
+fixedbugs/bug166.go
+fixedbugs/bug167.go
+fixedbugs/bug168.go
+fixedbugs/bug170.go
+fixedbugs/bug171.go
+fixedbugs/bug172.go
+fixedbugs/bug173.go
+fixedbugs/bug174.go
+fixedbugs/bug175.go
+fixedbugs/bug176.go
+fixedbugs/bug177.go
+fixedbugs/bug178.go
+fixedbugs/bug179.go
+fixedbugs/bug180.go
+fixedbugs/bug181.go
+fixedbugs/bug182.go
+fixedbugs/bug183.go
+fixedbugs/bug184.go
+fixedbugs/bug185.go
+fixedbugs/bug186.go
+fixedbugs/bug187.go
+fixedbugs/bug188.go
+fixedbugs/bug189.go
+fixedbugs/bug191.go
+fixedbugs/bug192.go
+fixedbugs/bug194.go
+fixedbugs/bug195.go
+fixedbugs/bug197.go
+fixedbugs/bug199.go
+fixedbugs/bug200.go
+fixedbugs/bug201.go
+fixedbugs/bug202.go
+fixedbugs/bug203.go
+fixedbugs/bug204.go
+fixedbugs/bug205.go
+fixedbugs/bug206.go

test/run

@@ -20,6 +20,11 @@ Xarm)
 	exit 1
 esac
 
+case X"$GOOS" in
+Xnacl)
+	export E="nacl"
+esac
+
 export G=${A}g
 export L=${A}l
 export GOTRACEBACK=0
@@ -36,6 +41,8 @@ TMP2FILE=/tmp/gotest2-$$-$USER
 # on thresher, 3GB suffices to run the tests; with 2GB, peano fails.
 ulimit -v 4000000
 
+true >pass.out
+
 for dir in . ken chan interface fixedbugs bugs
 do
 	echo
@@ -61,6 +68,8 @@ do
 		elif [ $dir = "bugs" ]
 		then
 			echo $i succeeded with no output.
+		else
+			echo $i >>pass.out
 		fi
 	done
 done | # clean up some stack noise

test/run-nacl

@@ -0,0 +1,76 @@
+#!/bin/sh
+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+case X"$GOARCH" in
+X386)
+	export A=8
+	export E=nacl
+	;;
+*)
+	echo 1>&2 run: unsupported '$GOARCH'
+	exit 1
+esac
+
+export G=${A}g
+export L=${A}l
+export GOTRACEBACK=0
+
+failed=0
+
+PATH=/bin:/usr/bin:/usr/local/bin:${GOBIN:-$HOME/bin}:`pwd`
+
+RUNFILE=/tmp/gorun-$$-$USER
+TMP1FILE=/tmp/gotest1-$$-$USER
+TMP2FILE=/tmp/gotest2-$$-$USER
+
+# don't run the machine out of memory: limit individual processes to 4GB.
+# on thresher, 3GB suffices to run the tests; with 2GB, peano fails.
+ulimit -v 4000000
+
+for i in $(cat nacl-pass.txt)
+do
+	export F=$(basename $i .go)
+	dir=$(dirname $i)
+	export D=$dir
+	sed '/^\/\//!q; s|//||g; s|./\$A.out|$E &|' $i >$RUNFILE
+	if ! sh $RUNFILE >$TMP1FILE 2>$TMP2FILE
+	then
+		echo
+		echo "===========" $i
+		cat $TMP1FILE
+		cat $TMP2FILE
+		echo >&2 fail: $i
+	elif test -s $TMP1FILE || test -s $TMP2FILE
+	then
+		echo
+		echo "===========" $i
+		cat $TMP1FILE
+		cat $TMP2FILE
+	elif [ $dir = "bugs" ]
+	then
+		echo $i succeeded with no output.
+	fi
+done | # clean up some stack noise
+	egrep -v '^(r[0-9a-z]+|[cfg]s)  +0x'  |
+	sed '/tmp.*Bus error/s/.*Bus/Bus/; /tmp.*Trace.BPT/s/.*Trace/Trace/
+		s!'$RUNFILE'!$RUNFILE!g
+		s/ PC=0x[0-9a-f]*/ PC=xxx/
+		s/^pc: 0x[0-9a-f]*/pc: xxx/
+		/^Trace\/breakpoint trap/d
+		/^Trace\/BPT trap/d
+		/RUNFILE/ s/line 1: *[0-9]*/line 1: PID/
+		/^\$RUNFILE: line 1: PID Trace\/breakpoint trap/d
+		/^qemu: uncaught target signal 11 (Segmentation fault) - exiting/d' > run.out
+
+case $failed in
+0)
+	echo PASS
+	;;
+1)
+	echo FAIL
+esac
+rm  -f $RUNFILE $TMP1FILE $TMP2FILE *.$A $A.out
+
+exit $failed