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freebsd-dev/lib/libsysdecode/mktables
Alex Richardson c5c5072bb0 Fix regex for extracting SHM_* values for libsysdecode 
There was an additional + after the {6} which is apparently ignored by the
FreeBSD regex implementation but was giving me an error when compiling on
MacOS.

While changing this also make sure that tables.h is not created if mktables
fails. The current rule would create a partial tables.h which causes following
incremental builds to use that broken file and fail with an unrelated
compilation error or even succeed even though they shouldn't.

Approved By:	jhb (mentor)
Differential Revision: https://reviews.freebsd.org/D17069
2018-10-23 06:31:19 +00:00

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#!/bin/sh
#
# Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
# Generates tables.h
#
# Originally this script was 'mksubr' for kdump which generated a complete
# C file along with function definitions. Now this script generates tables
# of constants and names extracted from header files.
set -e
LC_ALL=C; export LC_ALL
if [ -z "$1" ]
then
echo "usage: sh $0 include-dir [output-file]"
exit 1
fi
include_dir=$1
if [ -n "$2" ]; then
output_file="$2"
exec > "$output_file"
fi
all_headers=
#
# Generate a table C #definitions. The including file can define the
# TABLE_NAME(n), TABLE_ENTRY(x), and TABLE_END macros to define what
# the tables map to.
#
gen_table()
{
local name grep file excl filter
name=$1
grep=$2
file=$3
excl=$4
if [ -z "$excl" ]; then
filter="cat"
else
filter="egrep -v"
fi
cat <<_EOF_
TABLE_START(${name})
_EOF_
if [ -e "${include_dir}/${file}" ]; then
all_headers="${all_headers:+${all_headers} }${file}"
egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
$include_dir/$file | ${filter} ${excl} | \
awk '{ for (i = 1; i <= NF; i++) \
if ($i ~ /define/) \
break; \
++i; \
printf "TABLE_ENTRY(%s)\n", $i }'
fi
cat <<_EOF_
TABLE_END
_EOF_
}
cat <<_EOF_
/* This file is auto-generated. */
_EOF_
gen_table "accessmode" "[A-Z]_OK[[:space:]]+0?x?[0-9A-Fa-f]+" "sys/unistd.h"
gen_table "acltype" "ACL_TYPE_[A-Z4_]+[[:space:]]+0x[0-9]+" "sys/acl.h"
gen_table "atflags" "AT_[A-Z_]+[[:space:]]+0x[0-9]+" "sys/fcntl.h"
gen_table "capfcntl" "CAP_FCNTL_[A-Z]+[[:space:]]+\(1" "sys/capsicum.h"
gen_table "extattrns" "EXTATTR_NAMESPACE_[A-Z]+[[:space:]]+0x[0-9]+" "sys/extattr.h"
gen_table "fadvisebehav" "POSIX_FADV_[A-Z]+[[:space:]]+[0-9]+" "sys/fcntl.h"
gen_table "openflags" "O_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/fcntl.h" "O_RDONLY|O_RDWR|O_WRONLY"
gen_table "flockops" "LOCK_[A-Z]+[[:space:]]+0x[0-9]+" "sys/fcntl.h"
gen_table "kldsymcmd" "KLDSYM_[A-Z]+[[:space:]]+[0-9]+" "sys/linker.h"
gen_table "kldunloadfflags" "LINKER_UNLOAD_[A-Z]+[[:space:]]+[0-9]+" "sys/linker.h"
gen_table "lio_listiomodes" "LIO_(NO)?WAIT[[:space:]]+[0-9]+" "aio.h"
gen_table "madvisebehav" "_?MADV_[A-Z]+[[:space:]]+[0-9]+" "sys/mman.h"
gen_table "minheritflags" "INHERIT_[A-Z]+[[:space:]]+[0-9]+" "sys/mman.h"
gen_table "mlockallflags" "MCL_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mman.h"
gen_table "mmapprot" "PROT_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/mman.h"
gen_table "ngbtsolevel" "SOL_[A-Z0-9]+[[:space:]]+0x[0-9A-Fa-f]+" "netgraph/bluetooth/include/ng_btsocket.h"
gen_table "fileflags" "[SU]F_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/stat.h" "UF_COMPRESSED|UF_TRACKED|UF_SETTABLE|SF_SETTABLE"
gen_table "filemode" "S_[A-Z]+[[:space:]]+[0-6]{7}" "sys/stat.h"
gen_table "keventflags" "EV_[A-Z]+[[:space:]]+0x[0-9]+" "sys/event.h" "EV_SYSFLAGS|EV_DROP|EV_FLAG[12]"
gen_table "keventfilters" "EVFILT_[A-Z]+[[:space:]]+\(-[0-9]+\)" "sys/event.h"
gen_table "mountflags" "MNT_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mount.h"
gen_table "msyncflags" "MS_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mman.h"
gen_table "nfssvcflags" "NFSSVC_[A-Z0-9]+[[:space:]]+0x[0-9]+" "nfs/nfssvc.h"
gen_table "pathconfname" "_PC_[A-Z4_]+[[:space:]]+[0-9]+" "sys/unistd.h"
gen_table "prio" "PRIO_[A-Z]+[[:space:]]+[0-9]" "sys/resource.h"
gen_table "procctlcmd" "PROC_[A-Z_]+[[:space:]]+[0-9]" "sys/procctl.h" "PROC_TRACE_CTL_"
gen_table "ptraceop" "PT_[[:alnum:]_]+[[:space:]]+[0-9]+" "sys/ptrace.h"
gen_table "quotactlcmds" "Q_[A-Z]+[[:space:]]+0x[0-9]+" "ufs/ufs/quota.h"
gen_table "rebootopt" "RB_[A-Z]+[[:space:]]+0x[0-9]+" "sys/reboot.h"
gen_table "rforkflags" "RF[A-Z]+[[:space:]]+\([0-9]+<<[0-9]+\)" "sys/unistd.h"
gen_table "rlimit" "RLIMIT_[A-Z]+[[:space:]]+[0-9]+" "sys/resource.h"
gen_table "rusage" "RUSAGE_[A-Z]+[[:space:]]+[-0-9]+" "sys/resource.h"
gen_table "schedpolicy" "SCHED_[A-Z]+[[:space:]]+[0-9]+" "sched.h"
gen_table "sendfileflags" "SF_[A-Z]+[[:space:]]+[0-9]+" "sys/socket.h"
gen_table "shmatflags" "SHM_[A-Z]+[[:space:]]+[0-9]{6}" "sys/shm.h"
gen_table "shutdownhow" "SHUT_[A-Z]+[[:space:]]+[0-9]+" "sys/socket.h"
gen_table "sigbuscode" "BUS_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
gen_table "sigchldcode" "CLD_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
gen_table "sigfpecode" "FPE_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
gen_table "sigprocmaskhow" "SIG_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
gen_table "sigillcode" "ILL_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
gen_table "sigsegvcode" "SEGV_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
gen_table "sigtrapcode" "TRAP_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
gen_table "sockdomain" "PF_[[:alnum:]]+[[:space:]]+" "sys/socket.h"
gen_table "sockfamily" "AF_[[:alnum:]]+[[:space:]]+" "sys/socket.h"
gen_table "sockipproto" "IPPROTO_[[:alnum:]]+[[:space:]]+" "netinet/in.h"
gen_table "sockopt" "SO_[A-Z]+[[:space:]]+0x[0-9]+" "sys/socket.h"
gen_table "sockoptip" "(IP_[[:alnum:]_]+|MCAST_[[:alnum:]_]+_GROUP)[[:space:]]+" "netinet/in.h" "IP_DEFAULT|IP_MIN|IP_MAX|IP_PORTRANGE"
gen_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"
gen_table "sockoptsctp" "SCTP_[[:alnum:]_]+[[:space:]]+[0-9]+" "netinet/sctp.h"
gen_table "sockopttcp" "TCP_[[:alnum:]_]+[[:space:]]+[0-9]+" "netinet/tcp.h" "TCP_MIN|TCP_MAX[^S]|TCP_MSS|TCP_[[:alnum:]_]+_MAX"
gen_table "sockoptudp" "UDP_[[:alnum:]]+[[:space:]]+[0-9]+" "netinet/udp.h" "UDP_ENCAP_"
gen_table "sockoptudplite" "UDPLITE_[[:alnum:]_]+[[:space:]]+[0-9]+" "netinet/udplite.h"
gen_table "socktype" "SOCK_[A-Z]+[[:space:]]+[1-9]+[0-9]*" "sys/socket.h"
gen_table "thrcreateflags" "THR_[A-Z]+[[:space:]]+0x[0-9]+" "sys/thr.h"
gen_table "umtxop" "UMTX_OP_[[:alnum:]_]+[[:space:]]+[0-9]+" "sys/umtx.h"
gen_table "vmprot" "VM_PROT_[A-Z]+[[:space:]]+\(\(vm_prot_t\)[[:space:]]+0x[0-9]+\)" "vm/vm.h"
gen_table "vmresult" "KERN_[A-Z_]+[[:space:]]+[0-9]+" "vm/vm_param.h"
gen_table "wait6opt" "W[A-Z]+[[:space:]]+[0-9]+" "sys/wait.h"
gen_table "seekwhence" "SEEK_[A-Z]+[[:space:]]+[0-9]+" "sys/unistd.h"
gen_table "fcntlcmd" "F_[A-Z0-9_]+[[:space:]]+[0-9]+[[:space:]]+" "sys/fcntl.h" "F_CANCEL|F_..LCK"
gen_table "mmapflags" "MAP_[A-Z_]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/mman.h"
gen_table "rtpriofuncs" "RTP_[A-Z]+[[:space:]]+[0-9]+" "sys/rtprio.h"
gen_table "msgflags" "MSG_[A-Z]+[[:space:]]+0x[0-9]+" "sys/socket.h" "MSG_SOCALLBCK|MSG_MORETOCOME"
gen_table "sigcode" "SI_[A-Z]+[[:space:]]+0(x[0-9abcdef]+)?" "sys/signal.h"
gen_table "umtxcvwaitflags" "CVWAIT_[A-Z_]+[[:space:]]+0x[0-9]+" "sys/umtx.h"
gen_table "umtxrwlockflags" "URWLOCK_PREFER_READER[[:space:]]+0x[0-9]+" "sys/umtx.h"
gen_table "caprights" "CAP_[A-Z_]+[[:space:]]+CAPRIGHT\([0-9],[[:space:]]+0x[0-9]{16}ULL\)" "sys/capsicum.h"
gen_table "sctpprpolicy" "SCTP_PR_SCTP_[A-Z_]+[[:space:]]+0x[0-9]+" "netinet/sctp_uio.h" "SCTP_PR_SCTP_ALL"
gen_table "cmsgtypesocket" "SCM_[A-Z_]+[[:space:]]+0x[0-9]+" "sys/socket.h"
if [ -e "${include_dir}/x86/sysarch.h" ]; then
gen_table "sysarchnum" "(AMD64|I386)_[A-Z86_]+[[:space:]]+[0-9]+" "x86/sysarch.h"
else
gen_table "sysarchnum" "[A-Z_]+[[:space:]]+[0-9]+" "machine/sysarch.h"
fi
# Generate a .depend file for our output file
if [ -n "$output_file" ]; then
echo "$output_file: \\" > ".depend.$output_file"
echo "$all_headers" | tr ' ' '\n' | sort -u |
sed -e "s,^, $include_dir/," -e 's,$, \\,' >> \
".depend.$output_file"
echo >> ".depend.$output_file"
fi
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