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 $(dirname "$(readlink -f "$0")"):/build generate:$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="./mksyscall_aix_ppc.pl -aix"
66	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
67	;;
68aix_ppc64)
69	mkerrors="$mkerrors -maix64"
70	mksyscall="./mksyscall_aix_ppc64.pl -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="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
77	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
78	mkasm="go run mkasm_darwin.go"
79	;;
80darwin_amd64)
81	mkerrors="$mkerrors -m64"
82	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
83	mktypes="GOARCH=$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="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
90	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
91	mkasm="go run mkasm_darwin.go"
92	;;
93darwin_arm64)
94	mkerrors="$mkerrors -m64"
95	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
96	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
97	mkasm="go run mkasm_darwin.go"
98	;;
99dragonfly_amd64)
100	mkerrors="$mkerrors -m64"
101	mksyscall="go run mksyscall.go -dragonfly"
102	mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
103	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
104	;;
105freebsd_386)
106	mkerrors="$mkerrors -m32"
107	mksyscall="go run mksyscall.go -l32"
108	mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
109	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
110	;;
111freebsd_amd64)
112	mkerrors="$mkerrors -m64"
113	mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
114	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
115	;;
116freebsd_arm)
117	mkerrors="$mkerrors"
118	mksyscall="go run mksyscall.go -l32 -arm"
119	mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
120	# Let the type of C char be signed for making the bare syscall
121	# API consistent across platforms.
122	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
123	;;
124netbsd_386)
125	mkerrors="$mkerrors -m32"
126	mksyscall="go run mksyscall.go -l32 -netbsd"
127	mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
128	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
129	;;
130netbsd_amd64)
131	mkerrors="$mkerrors -m64"
132	mksyscall="go run mksyscall.go -netbsd"
133	mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
134	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
135	;;
136netbsd_arm)
137	mkerrors="$mkerrors"
138	mksyscall="go run mksyscall.go -l32 -netbsd -arm"
139	mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
140	# Let the type of C char be signed for making the bare syscall
141	# API consistent across platforms.
142	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
143	;;
144openbsd_386)
145	mkerrors="$mkerrors -m32"
146	mksyscall="go run mksyscall.go -l32 -openbsd"
147	mksysctl="./mksysctl_openbsd.pl"
148	mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
149	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
150	;;
151openbsd_amd64)
152	mkerrors="$mkerrors -m64"
153	mksyscall="go run mksyscall.go -openbsd"
154	mksysctl="./mksysctl_openbsd.pl"
155	mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
156	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
157	;;
158openbsd_arm)
159	mkerrors="$mkerrors"
160	mksyscall="go run mksyscall.go -l32 -openbsd -arm"
161	mksysctl="./mksysctl_openbsd.pl"
162	mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
163	# Let the type of C char be signed for making the bare syscall
164	# API consistent across platforms.
165	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
166	;;
167solaris_amd64)
168	mksyscall="./mksyscall_solaris.pl"
169	mkerrors="$mkerrors -m64"
170	mksysnum=
171	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
172	;;
173*)
174	echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
175	exit 1
176	;;
177esac
178
179(
180	if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
181	case "$GOOS" in
182	*)
183		syscall_goos="syscall_$GOOS.go"
184		case "$GOOS" in
185		darwin | dragonfly | freebsd | netbsd | openbsd)
186			syscall_goos="syscall_bsd.go $syscall_goos"
187			;;
188		esac
189		if [ -n "$mksyscall" ]; then
190			if [ "$GOOSARCH" == "aix_ppc64" ]; then
191				# aix/ppc64 script generates files instead of writing to stdin.
192				echo "$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 " ;
193			elif [ "$GOOS" == "darwin" ]; then
194			        # pre-1.12, direct syscalls
195			        echo "$mksyscall -tags $GOOS,$GOARCH,!go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.1_11.go";
196			        # 1.12 and later, syscalls via libSystem
197				echo "$mksyscall -tags $GOOS,$GOARCH,go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
198			else
199				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
200			fi
201		fi
202	esac
203	if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
204	if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
205	if [ -n "$mktypes" ]; then
206		echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go";
207	if [ -n "$mkasm" ]; then echo "$mkasm $GOARCH"; fi
208	fi
209) | $run
210