1#!/usr/bin/env bash
  2# Copyright 2009 The Go Authors. All rights reserved.
  3# Use of this source code is governed by a BSD-style
  4# license that can be found in the LICENSE file.
  5
  6# This script runs or (given -n) prints suggested commands to generate files for
  7# the Architecture/OS specified by the GOARCH and GOOS environment variables.
  8# See README.md for more information about how the build system works.
  9
 10GOOSARCH="${GOOS}_${GOARCH}"
 11
 12# defaults
 13mksyscall="go run mksyscall.go"
 14mkerrors="./mkerrors.sh"
 15zerrors="zerrors_$GOOSARCH.go"
 16mksysctl=""
 17zsysctl="zsysctl_$GOOSARCH.go"
 18mksysnum=
 19mktypes=
 20mkasm=
 21run="sh"
 22cmd=""
 23
 24case "$1" in
 25-syscalls)
 26	for i in zsyscall*go
 27	do
 28		# Run the command line that appears in the first line
 29		# of the generated file to regenerate it.
 30		sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i
 31		rm _$i
 32	done
 33	exit 0
 34	;;
 35-n)
 36	run="cat"
 37	cmd="echo"
 38	shift
 39esac
 40
 41case "$#" in
 420)
 43	;;
 44*)
 45	echo 'usage: mkall.sh [-n]' 1>&2
 46	exit 2
 47esac
 48
 49if [[ "$GOOS" = "linux" ]]; then
 50	# Use the Docker-based build system
 51	# Files generated through docker (use $cmd so you can Ctl-C the build or run)
 52	$cmd docker build --tag generate:$GOOS $GOOS
 53	$cmd docker run --interactive --tty --volume $(cd -- "$(dirname -- "$0")" && /bin/pwd):/build generate:$GOOS
 54	exit
 55fi
 56
 57GOOSARCH_in=syscall_$GOOSARCH.go
 58case "$GOOSARCH" in
 59_* | *_ | _)
 60	echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
 61	exit 1
 62	;;
 63aix_ppc)
 64	mkerrors="$mkerrors -maix32"
 65	mksyscall="go run mksyscall_aix_ppc.go -aix"
 66	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 67	;;
 68aix_ppc64)
 69	mkerrors="$mkerrors -maix64"
 70	mksyscall="go run mksyscall_aix_ppc64.go -aix"
 71	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 72	;;
 73darwin_386)
 74	mkerrors="$mkerrors -m32"
 75	mksyscall="go run mksyscall.go -l32"
 76	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 77	mkasm="go run mkasm_darwin.go"
 78	;;
 79darwin_amd64)
 80	mkerrors="$mkerrors -m64"
 81	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 82	mkasm="go run mkasm_darwin.go"
 83	;;
 84darwin_arm)
 85	mkerrors="$mkerrors"
 86	mksyscall="go run mksyscall.go -l32"
 87	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 88	mkasm="go run mkasm_darwin.go"
 89	;;
 90darwin_arm64)
 91	mkerrors="$mkerrors -m64"
 92	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 93	mkasm="go run mkasm_darwin.go"
 94	;;
 95dragonfly_amd64)
 96	mkerrors="$mkerrors -m64"
 97	mksyscall="go run mksyscall.go -dragonfly"
 98	mksysnum="go run mksysnum.go 'https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master'"
 99	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
100	;;
101freebsd_386)
102	mkerrors="$mkerrors -m32"
103	mksyscall="go run mksyscall.go -l32"
104	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
105	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
106	;;
107freebsd_amd64)
108	mkerrors="$mkerrors -m64"
109	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
110	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
111	;;
112freebsd_arm)
113	mkerrors="$mkerrors"
114	mksyscall="go run mksyscall.go -l32 -arm"
115	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
116	# Let the type of C char be signed for making the bare syscall
117	# API consistent across platforms.
118	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
119	;;
120freebsd_arm64)
121	mkerrors="$mkerrors -m64"
122	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
123	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
124	;;
125netbsd_386)
126	mkerrors="$mkerrors -m32"
127	mksyscall="go run mksyscall.go -l32 -netbsd"
128	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
129	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
130	;;
131netbsd_amd64)
132	mkerrors="$mkerrors -m64"
133	mksyscall="go run mksyscall.go -netbsd"
134	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
135	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
136	;;
137netbsd_arm)
138	mkerrors="$mkerrors"
139	mksyscall="go run mksyscall.go -l32 -netbsd -arm"
140	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
141	# Let the type of C char be signed for making the bare syscall
142	# API consistent across platforms.
143	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
144	;;
145netbsd_arm64)
146	mkerrors="$mkerrors -m64"
147	mksyscall="go run mksyscall.go -netbsd"
148	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
149	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
150	;;
151openbsd_386)
152	mkerrors="$mkerrors -m32"
153	mksyscall="go run mksyscall.go -l32 -openbsd"
154	mksysctl="go run mksysctl_openbsd.go"
155	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
156	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
157	;;
158openbsd_amd64)
159	mkerrors="$mkerrors -m64"
160	mksyscall="go run mksyscall.go -openbsd"
161	mksysctl="go run mksysctl_openbsd.go"
162	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
163	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
164	;;
165openbsd_arm)
166	mkerrors="$mkerrors"
167	mksyscall="go run mksyscall.go -l32 -openbsd -arm"
168	mksysctl="go run mksysctl_openbsd.go"
169	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
170	# Let the type of C char be signed for making the bare syscall
171	# API consistent across platforms.
172	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
173	;;
174openbsd_arm64)
175	mkerrors="$mkerrors -m64"
176	mksyscall="go run mksyscall.go -openbsd"
177	mksysctl="go run mksysctl_openbsd.go"
178	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
179	# Let the type of C char be signed for making the bare syscall
180	# API consistent across platforms.
181	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
182	;;
183openbsd_mips64)
184	mkerrors="$mkerrors -m64"
185	mksyscall="go run mksyscall.go -openbsd"
186	mksysctl="go run mksysctl_openbsd.go"
187	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
188	# Let the type of C char be signed for making the bare syscall
189	# API consistent across platforms.
190	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
191	;;
192solaris_amd64)
193	mksyscall="go run mksyscall_solaris.go"
194	mkerrors="$mkerrors -m64"
195	mksysnum=
196	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
197	;;
198illumos_amd64)
199        mksyscall="go run mksyscall_solaris.go"
200	mkerrors=
201	mksysnum=
202	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
203	;;
204*)
205	echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
206	exit 1
207	;;
208esac
209
210(
211	if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
212	case "$GOOS" in
213	*)
214		syscall_goos="syscall_$GOOS.go"
215		case "$GOOS" in
216		darwin | dragonfly | freebsd | netbsd | openbsd)
217			syscall_goos="syscall_bsd.go $syscall_goos"
218			;;
219		esac
220		if [ -n "$mksyscall" ]; then
221			if [ "$GOOSARCH" == "aix_ppc64" ]; then
222				# aix/ppc64 script generates files instead of writing to stdin.
223				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in && gofmt -w zsyscall_$GOOSARCH.go && gofmt -w zsyscall_"$GOOSARCH"_gccgo.go && gofmt -w zsyscall_"$GOOSARCH"_gc.go " ;
224			elif [ "$GOOS" == "darwin" ]; then
225			        # 1.12 and later, syscalls via libSystem
226				echo "$mksyscall -tags $GOOS,$GOARCH,go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
227				# 1.13 and later, syscalls via libSystem (including syscallPtr)
228				echo "$mksyscall -tags $GOOS,$GOARCH,go1.13 syscall_darwin.1_13.go |gofmt >zsyscall_$GOOSARCH.1_13.go";
229			elif [ "$GOOS" == "illumos" ]; then
230			        # illumos code generation requires a --illumos switch
231			        echo "$mksyscall -illumos -tags illumos,$GOARCH syscall_illumos.go |gofmt > zsyscall_illumos_$GOARCH.go";
232			        # illumos implies solaris, so solaris code generation is also required
233				echo "$mksyscall -tags solaris,$GOARCH syscall_solaris.go syscall_solaris_$GOARCH.go |gofmt >zsyscall_solaris_$GOARCH.go";
234			else
235				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
236			fi
237		fi
238	esac
239	if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
240	if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
241	if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go"; fi
242	if [ -n "$mkasm" ]; then echo "$mkasm $GOARCH"; fi
243) | $run