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	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
77	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
78	mkasm="go run mkasm_darwin.go"
79	;;
80darwin_amd64)
81	mkerrors="$mkerrors -m64"
82	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
83	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
84	mkasm="go run mkasm_darwin.go"
85	;;
86darwin_arm)
87	mkerrors="$mkerrors"
88	mksyscall="go run mksyscall.go -l32"
89	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
90	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
91	mkasm="go run mkasm_darwin.go"
92	;;
93darwin_arm64)
94	mkerrors="$mkerrors -m64"
95	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
96	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
97	mkasm="go run mkasm_darwin.go"
98	;;
99dragonfly_amd64)
100	mkerrors="$mkerrors -m64"
101	mksyscall="go run mksyscall.go -dragonfly"
102	mksysnum="go run mksysnum.go 'https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master'"
103	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
104	;;
105freebsd_386)
106	mkerrors="$mkerrors -m32"
107	mksyscall="go run mksyscall.go -l32"
108	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
109	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
110	;;
111freebsd_amd64)
112	mkerrors="$mkerrors -m64"
113	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
114	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
115	;;
116freebsd_arm)
117	mkerrors="$mkerrors"
118	mksyscall="go run mksyscall.go -l32 -arm"
119	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
120	# Let the type of C char be signed for making the bare syscall
121	# API consistent across platforms.
122	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
123	;;
124freebsd_arm64)
125	mkerrors="$mkerrors -m64"
126	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
127	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
128	;;
129netbsd_386)
130	mkerrors="$mkerrors -m32"
131	mksyscall="go run mksyscall.go -l32 -netbsd"
132	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
133	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
134	;;
135netbsd_amd64)
136	mkerrors="$mkerrors -m64"
137	mksyscall="go run mksyscall.go -netbsd"
138	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
139	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
140	;;
141netbsd_arm)
142	mkerrors="$mkerrors"
143	mksyscall="go run mksyscall.go -l32 -netbsd -arm"
144	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
145	# Let the type of C char be signed for making the bare syscall
146	# API consistent across platforms.
147	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
148	;;
149netbsd_arm64)
150	mkerrors="$mkerrors -m64"
151	mksyscall="go run mksyscall.go -netbsd"
152	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
153	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
154	;;
155openbsd_386)
156	mkerrors="$mkerrors -m32"
157	mksyscall="go run mksyscall.go -l32 -openbsd"
158	mksysctl="go run mksysctl_openbsd.go"
159	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
160	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
161	;;
162openbsd_amd64)
163	mkerrors="$mkerrors -m64"
164	mksyscall="go run mksyscall.go -openbsd"
165	mksysctl="go run mksysctl_openbsd.go"
166	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
167	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
168	;;
169openbsd_arm)
170	mkerrors="$mkerrors"
171	mksyscall="go run mksyscall.go -l32 -openbsd -arm"
172	mksysctl="go run mksysctl_openbsd.go"
173	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
174	# Let the type of C char be signed for making the bare syscall
175	# API consistent across platforms.
176	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
177	;;
178openbsd_arm64)
179	mkerrors="$mkerrors -m64"
180	mksyscall="go run mksyscall.go -openbsd"
181	mksysctl="go run mksysctl_openbsd.go"
182	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
183	# Let the type of C char be signed for making the bare syscall
184	# API consistent across platforms.
185	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
186	;;
187solaris_amd64)
188	mksyscall="go run mksyscall_solaris.go"
189	mkerrors="$mkerrors -m64"
190	mksysnum=
191	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
192	;;
193illumos_amd64)
194        mksyscall="go run mksyscall_solaris.go"
195	mkerrors=
196	mksysnum=
197	mktypes=
198	;;
199*)
200	echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
201	exit 1
202	;;
203esac
204
205(
206	if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
207	case "$GOOS" in
208	*)
209		syscall_goos="syscall_$GOOS.go"
210		case "$GOOS" in
211		darwin | dragonfly | freebsd | netbsd | openbsd)
212			syscall_goos="syscall_bsd.go $syscall_goos"
213			;;
214		esac
215		if [ -n "$mksyscall" ]; then
216			if [ "$GOOSARCH" == "aix_ppc64" ]; then
217				# aix/ppc64 script generates files instead of writing to stdin.
218				echo "$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 " ;
219			elif [ "$GOOS" == "darwin" ]; then
220			        # pre-1.12, direct syscalls
221			        echo "$mksyscall -tags $GOOS,$GOARCH,!go1.12 $syscall_goos syscall_darwin_${GOARCH}.1_11.go $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.1_11.go";
222			        # 1.12 and later, syscalls via libSystem
223				echo "$mksyscall -tags $GOOS,$GOARCH,go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
224				# 1.13 and later, syscalls via libSystem (including syscallPtr)
225				echo "$mksyscall -tags $GOOS,$GOARCH,go1.13 syscall_darwin.1_13.go |gofmt >zsyscall_$GOOSARCH.1_13.go";
226			elif [ "$GOOS" == "illumos" ]; then
227			        # illumos code generation requires a --illumos switch
228			        echo "$mksyscall -illumos -tags illumos,$GOARCH syscall_illumos.go |gofmt > zsyscall_illumos_$GOARCH.go";
229			        # illumos implies solaris, so solaris code generation is also required
230				echo "$mksyscall -tags solaris,$GOARCH syscall_solaris.go syscall_solaris_$GOARCH.go |gofmt >zsyscall_solaris_$GOARCH.go";
231			else
232				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
233			fi
234		fi
235	esac
236	if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
237	if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
238	if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go"; fi
239	if [ -n "$mkasm" ]; then echo "$mkasm $GOARCH"; fi
240) | $run
241