1#!/bin/sh
2#
3# Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD$
27#
28# Generates tables.h
29#
30# Originally this script was 'mksubr' for kdump which generated a complete
31# C file along with function definitions.  Now this script generates tables
32# of constants and names extracted from header files.
33
34set -e
35
36LC_ALL=C; export LC_ALL
37
38if [ -z "$1" ]
39then
40	echo "usage: sh $0 include-dir [output-file]"
41	exit 1
42fi
43include_dir=$1
44if [ -n "$2" ]; then
45	output_file="$2"
46	output_tmp=$(mktemp -u)
47	exec > "$output_tmp"
48fi
49
50all_headers=
51#
52# Generate a table C #definitions.  The including file can define the
53# TABLE_NAME(n), TABLE_ENTRY(x), and TABLE_END macros to define what
54# the tables map to.
55#
56gen_table()
57{
58	local name grep file excl filter
59	name=$1
60	grep=$2
61	file=$3
62	excl=$4
63
64	if [ -z "$excl" ]; then
65		filter="cat"
66	else
67		filter="egrep -v"
68	fi
69	cat <<_EOF_
70TABLE_START(${name})
71_EOF_
72	if [ -e "${include_dir}/${file}" ]; then
73		all_headers="${all_headers:+${all_headers} }${file}"
74		egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
75			$include_dir/$file | ${filter} ${excl} | \
76		awk '{ for (i = 1; i <= NF; i++) \
77			if ($i ~ /define/) \
78				break; \
79			++i; \
80			printf "TABLE_ENTRY(%s)\n", $i }'
81	fi
82cat <<_EOF_
83TABLE_END
84
85_EOF_
86}
87
88cat <<_EOF_
89/* This file is auto-generated. */
90
91_EOF_
92
93gen_table "accessmode"      "[A-Z]_OK[[:space:]]+0?x?[0-9A-Fa-f]+"         "sys/unistd.h"
94gen_table "acltype"         "ACL_TYPE_[A-Z4_]+[[:space:]]+0x[0-9]+"        "sys/acl.h"
95gen_table "atflags"         "AT_[A-Z_]+[[:space:]]+0x[0-9]+"               "sys/fcntl.h"
96gen_table "capfcntl"        "CAP_FCNTL_[A-Z]+[[:space:]]+\(1"              "sys/capsicum.h"
97gen_table "extattrns"       "EXTATTR_NAMESPACE_[A-Z]+[[:space:]]+0x[0-9]+" "sys/extattr.h"
98gen_table "fadvisebehav"    "POSIX_FADV_[A-Z]+[[:space:]]+[0-9]+"          "sys/fcntl.h"
99gen_table "openflags"       "O_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+"           "sys/fcntl.h"	"O_RDONLY|O_RDWR|O_WRONLY"
100gen_table "flockops"        "LOCK_[A-Z]+[[:space:]]+0x[0-9]+"              "sys/fcntl.h"
101gen_table "kldsymcmd"       "KLDSYM_[A-Z]+[[:space:]]+[0-9]+"              "sys/linker.h"
102gen_table "kldunloadfflags" "LINKER_UNLOAD_[A-Z]+[[:space:]]+[0-9]+"       "sys/linker.h"
103gen_table "lio_listiomodes" "LIO_(NO)?WAIT[[:space:]]+[0-9]+"              "aio.h"
104gen_table "madvisebehav"    "_?MADV_[A-Z]+[[:space:]]+[0-9]+"              "sys/mman.h"
105gen_table "minheritflags"   "INHERIT_[A-Z]+[[:space:]]+[0-9]+"             "sys/mman.h"
106gen_table "mlockallflags"   "MCL_[A-Z]+[[:space:]]+0x[0-9]+"               "sys/mman.h"
107gen_table "mmapprot"        "PROT_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+"        "sys/mman.h"
108gen_table "ngbtsolevel"     "SOL_[A-Z0-9]+[[:space:]]+0x[0-9A-Fa-f]+"      "netgraph/bluetooth/include/ng_btsocket.h"
109gen_table "fileflags"       "[SU]F_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+"       "sys/stat.h"		"UF_COMPRESSED|UF_TRACKED|UF_SETTABLE|SF_SETTABLE"
110gen_table "filemode"        "S_[A-Z]+[[:space:]]+[0-6]{7}"                 "sys/stat.h"
111gen_table "keventflags"     "EV_[A-Z]+[[:space:]]+0x[0-9]+"                "sys/event.h"        "EV_SYSFLAGS|EV_DROP|EV_FLAG[12]"
112gen_table "keventfilters"   "EVFILT_[A-Z]+[[:space:]]+\(-[0-9]+\)"         "sys/event.h"
113gen_table "mountflags"      "MNT_[A-Z]+[[:space:]]+0x[0-9]+"               "sys/mount.h"
114gen_table "msyncflags"      "MS_[A-Z]+[[:space:]]+0x[0-9]+"                "sys/mman.h"
115gen_table "nfssvcflags"     "NFSSVC_[A-Z0-9]+[[:space:]]+0x[0-9]+"         "nfs/nfssvc.h"
116gen_table "pathconfname"    "_PC_[A-Z4_]+[[:space:]]+[0-9]+"               "sys/unistd.h"
117gen_table "prio"            "PRIO_[A-Z]+[[:space:]]+[0-9]"                 "sys/resource.h"
118gen_table "procctlcmd"      "PROC_[A-Z_]+[[:space:]]+[0-9]"                 "sys/procctl.h"	"PROC_TRACE_CTL_"
119gen_table "ptraceop"        "PT_[[:alnum:]_]+[[:space:]]+[0-9]+"           "sys/ptrace.h"
120gen_table "quotactlcmds"    "Q_[A-Z]+[[:space:]]+0x[0-9]+"                 "ufs/ufs/quota.h"
121gen_table "rebootopt"       "RB_[A-Z]+[[:space:]]+0x[0-9]+"                "sys/reboot.h"
122gen_table "rforkflags"      "RF[A-Z]+[[:space:]]+\([0-9]+<<[0-9]+\)"       "sys/unistd.h"
123gen_table "rlimit"          "RLIMIT_[A-Z]+[[:space:]]+[0-9]+"              "sys/resource.h"
124gen_table "rusage"          "RUSAGE_[A-Z]+[[:space:]]+[-0-9]+"             "sys/resource.h"
125gen_table "schedpolicy"     "SCHED_[A-Z]+[[:space:]]+[0-9]+"               "sched.h"
126gen_table "sendfileflags"   "SF_[A-Z]+[[:space:]]+[0-9]+"                  "sys/socket.h"
127gen_table "shmatflags"      "SHM_[A-Z]+[[:space:]]+[0-9]{6}"               "sys/shm.h"
128gen_table "shutdownhow"     "SHUT_[A-Z]+[[:space:]]+[0-9]+"                "sys/socket.h"
129gen_table "sigbuscode"      "BUS_[A-Z]+[[:space:]]+[0-9]+"                 "sys/signal.h"
130gen_table "sigchldcode"     "CLD_[A-Z]+[[:space:]]+[0-9]+"                 "sys/signal.h"
131gen_table "sigfpecode"      "FPE_[A-Z]+[[:space:]]+[0-9]+"                 "sys/signal.h"
132gen_table "sigprocmaskhow"  "SIG_[A-Z]+[[:space:]]+[0-9]+"                 "sys/signal.h"
133gen_table "sigillcode"      "ILL_[A-Z]+[[:space:]]+[0-9]+"                 "sys/signal.h"
134gen_table "sigsegvcode"     "SEGV_[A-Z]+[[:space:]]+[0-9]+"                "sys/signal.h"
135gen_table "sigtrapcode"     "TRAP_[A-Z]+[[:space:]]+[0-9]+"                "sys/signal.h"
136gen_table "sockdomain"      "PF_[[:alnum:]]+[[:space:]]+"                  "sys/socket.h"
137gen_table "sockfamily"      "AF_[[:alnum:]]+[[:space:]]+"                  "sys/socket.h"
138gen_table "sockipproto"     "IPPROTO_[[:alnum:]]+[[:space:]]+"             "netinet/in.h"
139gen_table "sockopt"         "SO_[A-Z]+[[:space:]]+0x[0-9]+"                "sys/socket.h"
140gen_table "sockoptip"       "(IP_[[:alnum:]_]+|MCAST_[[:alnum:]_]+_GROUP)[[:space:]]+" "netinet/in.h" "IP_DEFAULT|IP_MIN|IP_MAX|IP_PORTRANGE"
141gen_table "sockoptipv6"     "IPV6_[[:alnum:]_]+[[:space:]]+[0-9]+"         "netinet6/in6.h"     "IPV6_ADDR_|IPV6_TAG_DIRECT|IPV6_OPTIONS|IPV6_RECVOPTS|IPV6_RECVRETOPTS|IPV6_RECVDSTADDR|IPV6_RETOPTS|IPV6_2292|IPV6_RECVRTHDRDSTOPTS|IPV6_REACHCONF|IPV6_PKTOPTIONS"
142gen_table "sockoptsctp"     "SCTP_[[:alnum:]_]+[[:space:]]+[0-9]+"         "netinet/sctp.h"
143gen_table "sockopttcp"      "TCP_[[:alnum:]_]+[[:space:]]+[0-9]+"          "netinet/tcp.h"      "TCP_MIN|TCP_MAX[^S]|TCP_MSS|TCP_[[:alnum:]_]+_MAX"
144gen_table "sockoptudp"      "UDP_[[:alnum:]]+[[:space:]]+[0-9]+"           "netinet/udp.h"      "UDP_ENCAP_"
145gen_table "sockoptudplite"  "UDPLITE_[[:alnum:]_]+[[:space:]]+[0-9]+"      "netinet/udplite.h"
146gen_table "socktype"        "SOCK_[A-Z]+[[:space:]]+[1-9]+[0-9]*"          "sys/socket.h"
147gen_table "thrcreateflags"  "THR_[A-Z]+[[:space:]]+0x[0-9]+"               "sys/thr.h"
148gen_table "umtxop"          "UMTX_OP_[[:alnum:]_]+[[:space:]]+[0-9]+"      "sys/umtx.h"
149gen_table "vmprot"          "VM_PROT_[A-Z]+[[:space:]]+\(\(vm_prot_t\)[[:space:]]+0x[0-9]+\)"  "vm/vm.h"
150gen_table "vmresult"        "KERN_[A-Z_]+[[:space:]]+[0-9]+"               "vm/vm_param.h"
151gen_table "wait6opt"        "W[A-Z]+[[:space:]]+[0-9]+"                    "sys/wait.h"
152gen_table "seekwhence"      "SEEK_[A-Z]+[[:space:]]+[0-9]+"                "sys/unistd.h"
153gen_table "fcntlcmd"        "F_[A-Z0-9_]+[[:space:]]+[0-9]+[[:space:]]+"   "sys/fcntl.h"	"F_CANCEL|F_..LCK"
154gen_table "mmapflags"       "MAP_[A-Z_]+[[:space:]]+0x[0-9A-Fa-f]+"        "sys/mman.h"
155gen_table "rtpriofuncs"     "RTP_[A-Z]+[[:space:]]+[0-9]+"                 "sys/rtprio.h"
156gen_table "msgflags"        "MSG_[A-Z]+[[:space:]]+0x[0-9]+"               "sys/socket.h"	"MSG_SOCALLBCK|MSG_MORETOCOME|MSG_TLSAPPDATA"
157gen_table "sigcode"         "SI_[A-Z]+[[:space:]]+0(x[0-9abcdef]+)?"       "sys/signal.h"
158gen_table "umtxcvwaitflags" "CVWAIT_[A-Z_]+[[:space:]]+0x[0-9]+"           "sys/umtx.h"
159gen_table "umtxrwlockflags" "URWLOCK_PREFER_READER[[:space:]]+0x[0-9]+"    "sys/umtx.h"
160gen_table "caprights"       "CAP_[A-Z_]+[[:space:]]+CAPRIGHT\([0-9],[[:space:]]+0x[0-9]{16}ULL\)"   "sys/capsicum.h"
161gen_table "sctpprpolicy"    "SCTP_PR_SCTP_[A-Z_]+[[:space:]]+0x[0-9]+"     "netinet/sctp_uio.h" "SCTP_PR_SCTP_ALL"
162gen_table "cmsgtypesocket"  "SCM_[A-Z_]+[[:space:]]+0x[0-9]+"              "sys/socket.h"
163if [ -e "${include_dir}/x86/sysarch.h" ]; then
164	gen_table "sysarchnum" "(AMD64|I386)_[A-Z86_]+[[:space:]]+[0-9]+"  "x86/sysarch.h"
165else
166	gen_table "sysarchnum" "[A-Z_]+[[:space:]]+[0-9]+"                 "machine/sysarch.h"
167fi
168gen_table "shmflags"  "SHM_[A-Z_]+[[:space:]]+0x[0-9]+"                    "sys/mman.h"         "SHM_ANON"
169
170# Generate a .depend file for our output file
171if [ -n "$output_file" ]; then
172	depend_tmp=$(mktemp -u)
173	{
174		echo "$output_file: \\"
175		echo "$all_headers" | tr ' ' '\n' | sort -u |
176		    sed -e "s,^,	$include_dir/," -e 's,$, \\,'
177		echo
178	} > "$depend_tmp"
179	if cmp -s "$output_tmp" "$output_file"; then
180		rm -f "$output_tmp" "$depend_tmp"
181	else
182		mv -f "$depend_tmp" ".depend.${output_file}"
183		mv -f "$output_tmp" "$output_file"
184	fi
185fi
186