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Current Path: /usr/src/sys/kern

📁 ..
📄 Make.tags.inc(2.13 KB)
📄 Makefile(302 B)
📄 bus_if.m(26.31 KB)
📄 capabilities.conf(13.67 KB)
📄 clock_if.m(1.7 KB)
📄 cpufreq_if.m(2.27 KB)
📄 device_if.m(10.41 KB)
📄 firmw.S(2.15 KB)
📄 genassym.sh(1.11 KB)
📄 genoffset.c(1.68 KB)
📄 genoffset.sh(3.58 KB)
📄 imgact_aout.c(9.45 KB)
📄 imgact_binmisc.c(18.64 KB)
📄 imgact_elf.c(76.32 KB)
📄 imgact_elf32.c(1.47 KB)
📄 imgact_elf64.c(1.47 KB)
📄 imgact_shell.c(8.41 KB)
📄 init_main.c(24.31 KB)
📄 init_sysent.c(95.3 KB)
📄 kern_acct.c(19.03 KB)
📄 kern_alq.c(24.97 KB)
📄 kern_clock.c(21.12 KB)
📄 kern_clocksource.c(23.34 KB)
📄 kern_condvar.c(11.28 KB)
📄 kern_conf.c(36.14 KB)
📄 kern_cons.c(15.75 KB)
📄 kern_context.c(3.59 KB)
📄 kern_cpu.c(30.77 KB)
📄 kern_cpuset.c(59.78 KB)
📄 kern_ctf.c(8.73 KB)
📄 kern_descrip.c(112.87 KB)
📄 kern_dtrace.c(2.94 KB)
📄 kern_dump.c(8.51 KB)
📄 kern_environment.c(22.75 KB)
📄 kern_et.c(7.1 KB)
📄 kern_event.c(62.49 KB)
📄 kern_exec.c(46.67 KB)
📄 kern_exit.c(34.61 KB)
📄 kern_fail.c(29.32 KB)
📄 kern_ffclock.c(12.66 KB)
📄 kern_fork.c(28.29 KB)
📄 kern_hhook.c(13.58 KB)
📄 kern_idle.c(2.74 KB)
📄 kern_intr.c(40.44 KB)
📄 kern_jail.c(112.67 KB)
📄 kern_kcov.c(15.32 KB)
📄 kern_khelp.c(9.45 KB)
📄 kern_kthread.c(11.8 KB)
📄 kern_ktr.c(11.93 KB)
📄 kern_ktrace.c(31.41 KB)
📄 kern_linker.c(54.3 KB)
📄 kern_lock.c(46.99 KB)
📄 kern_lockf.c(64.46 KB)
📄 kern_lockstat.c(3.8 KB)
📄 kern_loginclass.c(6.69 KB)
📄 kern_malloc.c(37.09 KB)
📄 kern_mbuf.c(43.16 KB)
📄 kern_mib.c(24.26 KB)
📄 kern_module.c(11.05 KB)
📄 kern_mtxpool.c(5.82 KB)
📄 kern_mutex.c(33.62 KB)
📄 kern_ntptime.c(32.49 KB)
📄 kern_osd.c(12.37 KB)
📄 kern_physio.c(5.74 KB)
📄 kern_pmc.c(8.89 KB)
📄 kern_poll.c(15.86 KB)
📄 kern_priv.c(9.14 KB)
📄 kern_proc.c(80.01 KB)
📄 kern_procctl.c(19.48 KB)
📄 kern_prot.c(57.94 KB)
📄 kern_racct.c(34.01 KB)
📄 kern_rangelock.c(8.67 KB)
📄 kern_rctl.c(53.87 KB)
📄 kern_resource.c(36.66 KB)
📄 kern_rmlock.c(28.27 KB)
📄 kern_rwlock.c(40.72 KB)
📄 kern_sdt.c(2.05 KB)
📄 kern_sema.c(4.85 KB)
📄 kern_sendfile.c(33.97 KB)
📄 kern_sharedpage.c(10.37 KB)
📄 kern_shutdown.c(43.34 KB)
📄 kern_sig.c(101.89 KB)
📄 kern_switch.c(13.85 KB)
📄 kern_sx.c(40.27 KB)
📄 kern_synch.c(18.17 KB)
📄 kern_syscalls.c(6.74 KB)
📄 kern_sysctl.c(67.24 KB)
📄 kern_tc.c(55.73 KB)
📄 kern_thr.c(14.14 KB)
📄 kern_thread.c(41.75 KB)
📄 kern_time.c(40.89 KB)
📄 kern_timeout.c(43.08 KB)
📄 kern_tslog.c(3.44 KB)
📄 kern_ubsan.c(50.74 KB)
📄 kern_umtx.c(107.14 KB)
📄 kern_uuid.c(11.68 KB)
📄 kern_xxx.c(10.44 KB)
📄 ksched.c(6.56 KB)
📄 link_elf.c(47.99 KB)
📄 link_elf_obj.c(44.41 KB)
📄 linker_if.m(3.96 KB)
📄 makesyscalls.sh(23.57 KB)
📄 md4c.c(7.89 KB)
📄 md5c.c(9.56 KB)
📄 msi_if.m(2.48 KB)
📄 p1003_1b.c(8.84 KB)
📄 pic_if.m(3.9 KB)
📄 posix4_mib.c(5.59 KB)
📄 sched_4bsd.c(45.03 KB)
📄 sched_ule.c(82.65 KB)
📄 serdev_if.m(3.49 KB)
📄 stack_protector.c(613 B)
📄 subr_acl_nfs4.c(37.42 KB)
📄 subr_acl_posix1e.c(17.71 KB)
📄 subr_atomic64.c(3.97 KB)
📄 subr_autoconf.c(7.7 KB)
📄 subr_blist.c(31.88 KB)
📄 subr_boot.c(5.8 KB)
📄 subr_bufring.c(2.21 KB)
📄 subr_bus.c(145.4 KB)
📄 subr_bus_dma.c(19.67 KB)
📄 subr_busdma_bufalloc.c(5.24 KB)
📄 subr_capability.c(11.93 KB)
📄 subr_clock.c(10.61 KB)
📄 subr_compressor.c(13.11 KB)
📄 subr_counter.c(4.44 KB)
📄 subr_coverage.c(6.17 KB)
📄 subr_csan.c(25.39 KB)
📄 subr_devmap.c(9.8 KB)
📄 subr_devstat.c(16.21 KB)
📄 subr_disk.c(8.54 KB)
📄 subr_dummy_vdso_tc.c(1.7 KB)
📄 subr_early.c(2.26 KB)
📄 subr_epoch.c(25.02 KB)
📄 subr_eventhandler.c(9.17 KB)
📄 subr_fattime.c(9.98 KB)
📄 subr_filter.c(12.2 KB)
📄 subr_firmware.c(13.88 KB)
📄 subr_gtaskqueue.c(20.19 KB)
📄 subr_hash.c(4.8 KB)
📄 subr_hints.c(12.87 KB)
📄 subr_intr.c(40.61 KB)
📄 subr_kdb.c(16.13 KB)
📄 subr_kobj.c(7.1 KB)
📄 subr_lock.c(18.81 KB)
📄 subr_log.c(7.64 KB)
📄 subr_mchain.c(11.06 KB)
📄 subr_module.c(12.98 KB)
📄 subr_msgbuf.c(10.6 KB)
📄 subr_param.c(10.93 KB)
📄 subr_pcpu.c(10.18 KB)
📄 subr_pctrie.c(20.99 KB)
📄 subr_physmem.c(11.52 KB)
📄 subr_pidctrl.c(5.43 KB)
📄 subr_power.c(3.13 KB)
📄 subr_prf.c(27.42 KB)
📄 subr_prng.c(3.36 KB)
📄 subr_prof.c(15.43 KB)
📄 subr_rangeset.c(8.5 KB)
📄 subr_rman.c(27.61 KB)
📄 subr_rtc.c(11.42 KB)
📄 subr_sbuf.c(20.53 KB)
📄 subr_scanf.c(15.59 KB)
📄 subr_sfbuf.c(6.17 KB)
📄 subr_sglist.c(22.83 KB)
📄 subr_sleepqueue.c(39.43 KB)
📄 subr_smp.c(31.62 KB)
📄 subr_smr.c(20.17 KB)
📄 subr_stack.c(6.47 KB)
📄 subr_stats.c(103.01 KB)
📄 subr_syscall.c(7.98 KB)
📄 subr_taskqueue.c(21.1 KB)
📄 subr_terminal.c(15.52 KB)
📄 subr_trap.c(10.87 KB)
📄 subr_turnstile.c(35.58 KB)
📄 subr_uio.c(11.38 KB)
📄 subr_unit.c(22.97 KB)
📄 subr_vmem.c(43.25 KB)
📄 subr_witness.c(84.59 KB)
📄 sys_capability.c(15.06 KB)
📄 sys_eventfd.c(8.42 KB)
📄 sys_generic.c(44.22 KB)
📄 sys_getrandom.c(4.21 KB)
📄 sys_pipe.c(45.14 KB)
📄 sys_procdesc.c(14.57 KB)
📄 sys_process.c(30.73 KB)
📄 sys_socket.c(20.11 KB)
📄 syscalls.c(22.73 KB)
📄 syscalls.master(60.26 KB)
📄 systrace_args.c(178.49 KB)
📄 sysv_ipc.c(6.53 KB)
📄 sysv_msg.c(48.65 KB)
📄 sysv_sem.c(49.85 KB)
📄 sysv_shm.c(43.93 KB)
📄 tty.c(55.14 KB)
📄 tty_compat.c(11.46 KB)
📄 tty_info.c(9.93 KB)
📄 tty_inq.c(12.22 KB)
📄 tty_outq.c(8.74 KB)
📄 tty_pts.c(19.74 KB)
📄 tty_tty.c(2.83 KB)
📄 tty_ttydisc.c(28.6 KB)
📄 uipc_accf.c(8.07 KB)
📄 uipc_debug.c(12.42 KB)
📄 uipc_domain.c(13.13 KB)
📄 uipc_ktls.c(55.7 KB)
📄 uipc_mbuf.c(52.45 KB)
📄 uipc_mbuf2.c(12.64 KB)
📄 uipc_mbufhash.c(4.9 KB)
📄 uipc_mqueue.c(64.64 KB)
📄 uipc_sem.c(25.18 KB)
📄 uipc_shm.c(50.47 KB)
📄 uipc_sockbuf.c(42.9 KB)
📄 uipc_socket.c(110.61 KB)
📄 uipc_syscalls.c(35.94 KB)
📄 uipc_usrreq.c(75.11 KB)
📄 vfs_acl.c(14.5 KB)
📄 vfs_aio.c(76.32 KB)
📄 vfs_bio.c(145.39 KB)
📄 vfs_cache.c(143.09 KB)
📄 vfs_cluster.c(28.36 KB)
📄 vfs_default.c(33.16 KB)
📄 vfs_export.c(14.55 KB)
📄 vfs_extattr.c(17.91 KB)
📄 vfs_hash.c(6 KB)
📄 vfs_init.c(15.86 KB)
📄 vfs_lookup.c(45.48 KB)
📄 vfs_mount.c(62.58 KB)
📄 vfs_mountroot.c(26.23 KB)
📄 vfs_subr.c(167.52 KB)
📄 vfs_syscalls.c(106.86 KB)
📄 vfs_vnops.c(86.28 KB)
📄 vnode_if.src(13.66 KB)

Editing: makesyscalls.sh

#! /bin/sh -
#	@(#)makesyscalls.sh	8.1 (Berkeley) 6/10/93
# $FreeBSD$

set -e

# name of compat options:
compat=COMPAT_43
compat4=COMPAT_FREEBSD4
compat6=COMPAT_FREEBSD6
compat7=COMPAT_FREEBSD7
compat10=COMPAT_FREEBSD10
compat11=COMPAT_FREEBSD11
compat12=COMPAT_FREEBSD12

# output files:
sysnames="syscalls.c"
sysproto="../sys/sysproto.h"
sysproto_h=_SYS_SYSPROTO_H_
syshdr="../sys/syscall.h"
sysmk="../sys/syscall.mk"
syssw="init_sysent.c"
syscallprefix="SYS_"
switchname="sysent"
namesname="syscallnames"
systrace="systrace_args.c"

# tmp files:
sysaue="sysent.aue.$$"
sysdcl="sysent.dcl.$$"
syscompat="sysent.compat.$$"
syscompatdcl="sysent.compatdcl.$$"
syscompat4="sysent.compat4.$$"
syscompat4dcl="sysent.compat4dcl.$$"
syscompat6="sysent.compat6.$$"
syscompat6dcl="sysent.compat6dcl.$$"
syscompat7="sysent.compat7.$$"
syscompat7dcl="sysent.compat7dcl.$$"
syscompat10="sysent.compat10.$$"
syscompat10dcl="sysent.compat10dcl.$$"
syscompat11="sysent.compat11.$$"
syscompat11dcl="sysent.compat11dcl.$$"
syscompat12="sysent.compat12.$$"
syscompat12dcl="sysent.compat12dcl.$$"
sysent="sysent.switch.$$"
sysinc="sysinc.switch.$$"
sysarg="sysarg.switch.$$"
sysprotoend="sysprotoend.$$"
systracetmp="systrace.$$"
systraceret="systraceret.$$"
capabilities_conf="capabilities.conf"

trap "rm $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $syscompat12 $syscompat12dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret" 0

touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $syscompat12 $syscompat12dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret

case $# in
    0)	echo "usage: $0 input-file <config-file>" 1>&2
	exit 1
	;;
esac

1>&2 echo "$0: This script has been replaced by sys/tools/makesyscalls.lua and"
1>&2 echo "$0: will be removed before FreeBSD 13.  See also: sys/conf/sysent.mk"

if [ -n "$2" ]; then
	. "$2"
fi

if [ -n "$capenabled" ]; then
	# do nothing
elif [ -r $capabilities_conf ]; then
	capenabled=`egrep -v '^#|^$' $capabilities_conf`
	capenabled=`echo $capenabled | sed 's/ /,/g'`
else
	capenabled=""
fi

sed -e '
	# FreeBSD ID, includes, comments, and blank lines
	/.*\$FreeBSD/b done_joining
	/^[#;]/b done_joining
	/^$/b done_joining

# Join lines ending in backslash
:joining
	/\\$/{a\

N
	s/\\\n//
	b joining
	}

# OBSOL, etc lines without function signatures
	/^[0-9][^{]*$/b done_joining

# Join incomplete signatures.  The { must appear on the first line
	# and the } must appear on the last line (modulo lines joined by
	# backslashes).
	/^[^}]*$/{a\

N
	s/\n//
	b joining
	}
:done_joining
2,${
	/^#/!s/$[{}()*,]$/ \1 /g
}
' < $1 | awk "
	BEGIN {
		sysaue = \"$sysaue\"
		sysdcl = \"$sysdcl\"
		sysproto = \"$sysproto\"
		sysprotoend = \"$sysprotoend\"
		sysproto_h = \"$sysproto_h\"
		syscompat = \"$syscompat\"
		syscompatdcl = \"$syscompatdcl\"
		syscompat4 = \"$syscompat4\"
		syscompat4dcl = \"$syscompat4dcl\"
		syscompat6 = \"$syscompat6\"
		syscompat6dcl = \"$syscompat6dcl\"
		syscompat7 = \"$syscompat7\"
		syscompat7dcl = \"$syscompat7dcl\"
		syscompat10 = \"$syscompat10\"
		syscompat10dcl = \"$syscompat10dcl\"
		syscompat11 = \"$syscompat11\"
		syscompat11dcl = \"$syscompat11dcl\"
		syscompat12 = \"$syscompat12\"
		syscompat12dcl = \"$syscompat12dcl\"
		sysent = \"$sysent\"
		syssw = \"$syssw\"
		sysinc = \"$sysinc\"
		sysarg = \"$sysarg\"
		sysnames = \"$sysnames\"
		syshdr = \"$syshdr\"
		sysmk = \"$sysmk\"
		systrace = \"$systrace\"
		systracetmp = \"$systracetmp\"
		systraceret = \"$systraceret\"
		compat = \"$compat\"
		compat4 = \"$compat4\"
		compat6 = \"$compat6\"
		compat7 = \"$compat7\"
		compat10 = \"$compat10\"
		compat11 = \"$compat11\"
		compat12 = \"$compat12\"
		syscallprefix = \"$syscallprefix\"
		switchname = \"$switchname\"
		namesname = \"$namesname\"
		infile = \"$1\"
		abi_func_prefix = \"$abi_func_prefix\"
		capenabled_string = \"$capenabled\"
		"'

# Avoid a literal generated file tag here.
		generated = "@" "generated";

split(capenabled_string, capenabled, ",");

printf "\n/* The casts are bogus but will do for now. */\n" > sysent
		printf "struct sysent %s[] = {\n",switchname > sysent

printf "/*\n * System call switch table.\n *\n" > syssw
		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > syssw
		printf " * $%s$\n", "FreeBSD" > syssw
		printf " */\n\n" > syssw

printf "/*\n * System call prototypes.\n *\n" > sysarg
		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > sysarg
		printf " * $%s$\n", "FreeBSD" > sysarg
		printf " */\n\n" > sysarg
		printf "#ifndef %s\n", sysproto_h > sysarg
		printf "#define\t%s\n\n", sysproto_h > sysarg
		printf "#include <sys/signal.h>\n" > sysarg
		printf "#include <sys/acl.h>\n" > sysarg
		printf "#include <sys/cpuset.h>\n" > sysarg
		printf "#include <sys/domainset.h>\n" > sysarg
		printf "#include <sys/_ffcounter.h>\n" > sysarg
		printf "#include <sys/_semaphore.h>\n" > sysarg
		printf "#include <sys/ucontext.h>\n" > sysarg
		printf "#include <sys/wait.h>\n\n" > sysarg
		printf "#include <bsm/audit_kevents.h>\n\n" > sysarg
		printf "struct proc;\n\n" > sysarg
		printf "struct thread;\n\n" > sysarg
		printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
		printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
		printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg
		printf "#define\tPADL_(t)\t0\n" > sysarg
		printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg
		printf "#else\n" > sysarg
		printf "#define\tPADL_(t)\tPAD_(t)\n" > sysarg
		printf "#define\tPADR_(t)\t0\n" > sysarg
		printf "#endif\n\n" > sysarg

printf "\n#ifdef %s\n\n", compat > syscompat
		printf "\n#ifdef %s\n\n", compat4 > syscompat4
		printf "\n#ifdef %s\n\n", compat6 > syscompat6
		printf "\n#ifdef %s\n\n", compat7 > syscompat7
		printf "\n#ifdef %s\n\n", compat10 > syscompat10
		printf "\n#ifdef %s\n\n", compat11 > syscompat11
		printf "\n#ifdef %s\n\n", compat12 > syscompat12

printf "/*\n * System call names.\n *\n" > sysnames
		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > sysnames
		printf " * $%s$\n", "FreeBSD" > sysnames
		printf " */\n\n" > sysnames
		printf "const char *%s[] = {\n", namesname > sysnames

printf "/*\n * System call numbers.\n *\n" > syshdr
		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > syshdr
		printf " * $%s$\n", "FreeBSD" > syshdr
		printf " */\n\n" > syshdr

printf "# FreeBSD system call object files.\n" > sysmk
		printf "# DO NOT EDIT-- this file is automatically " generated ".\n" > sysmk
		printf "# $%s$\n", "FreeBSD" > sysmk
		printf "MIASM = " > sysmk

printf "/*\n * System call argument to DTrace register array converstion.\n *\n" > systrace
		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > systrace
		printf " * $%s$\n", "FreeBSD" > systrace
		printf " * This file is part of the DTrace syscall provider.\n */\n\n" > systrace
		printf "static void\nsystrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)\n{\n" > systrace
		printf "\tint64_t *iarg  = (int64_t *) uarg;\n" > systrace
		printf "\tswitch (sysnum) {\n" > systrace

printf "static void\nsystrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracetmp
		printf "\tswitch (sysnum) {\n" > systracetmp

printf "static void\nsystrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systraceret
		printf "\tswitch (sysnum) {\n" > systraceret
	}
	NR == 1 {
		next
	}
	NF == 0 || $1 ~ /^;/ {
		next
	}
	$1 ~ /^#[ 	]*include/ {
		print > sysinc
		next
	}
	$1 ~ /^#[ 	]*if/ {
		print > sysent
		print > sysdcl
		print > sysarg
		print > syscompat
		print > syscompat4
		print > syscompat6
		print > syscompat7
		print > syscompat10
		print > syscompat11
		print > syscompat12
		print > sysnames
		print > systrace
		print > systracetmp
		print > systraceret
		savesyscall = syscall
		next
	}
	$1 ~ /^#[ 	]*else/ {
		print > sysent
		print > sysdcl
		print > sysarg
		print > syscompat
		print > syscompat4
		print > syscompat6
		print > syscompat7
		print > syscompat10
		print > syscompat11
		print > syscompat12
		print > sysnames
		print > systrace
		print > systracetmp
		print > systraceret
		syscall = savesyscall
		next
	}
	$1 ~ /^#/ {
		print > sysent
		print > sysdcl
		print > sysarg
		print > syscompat
		print > syscompat4
		print > syscompat6
		print > syscompat7
		print > syscompat10
		print > syscompat11
		print > syscompat12
		print > sysnames
		print > systrace
		print > systracetmp
		print > systraceret
		next
	}
	# Returns true if the type "name" is the first flag in the type field
	function type(name, flags, n) {
		n = split($3, flags, /\|/)
		return (n > 0 && flags[1] == name)
	}
	# Returns true if the flag "name" is set in the type field
	function flag(name, flags, i, n) {
		n = split($3, flags, /\|/)
		for (i = 1; i <= n; i++)
			if (flags[i] == name)
				return 1
		return 0
	}
	{
		n = split($1, syscall_range, /-/)
		if (n == 1) {
			syscall_range[2] = syscall_range[1]
		} else if (n == 2) {
			if (!type("UNIMPL")) {
				printf "%s: line %d: range permitted only with UNIMPL\n",
				    infile, NR
				exit 1
			}
		} else {
			printf "%s: line %d: invalid syscall number or range %s\n",
			    infile, NR, $1
			exit 1
		}
	}
	syscall != syscall_range[1] {
		printf "%s: line %d: syscall number out of sync at %d\n",
		    infile, NR, syscall
		printf "line is:\n"
		print
		exit 1
	}
	function align_sysent_comment(column) {
		printf("\t") > sysent
		column = column + 8 - column % 8
		while (column < 56) {
			printf("\t") > sysent
			column = column + 8
		}
	}
	function parserr(was, wanted) {
		printf "%s: line %d: unexpected %s (expected %s)\n",
		    infile, NR, was, wanted
		exit 1
	}
	function parseline() {
		f=4			# toss number, type, audit event
		ret_inc = 0
		argc= 0;
		argssize = "0"
		thr_flag = "SY_THR_STATIC"
		if (flag("NOTSTATIC")) {
			thr_flag = "SY_THR_ABSENT"
		}
		if ($NF != "}") {
			funcalias=$(NF-2)
			argalias=$(NF-1)
			rettype=$NF
			end=NF-3
		} else {
			funcalias=""
			argalias=""
			rettype="int"
			if ($(f+2) == "*") {
				ret_inc = 1
			}
			end=NF
		}
		if (flag("NODEF")) {
			auditev="AUE_NULL"
			funcname=$(4 + ret_inc)
			argssize = "AS(" $(6 + ret_inc) ")"
			return
		}
		if ($f != "{")
			parserr($f, "{")
		f++
		if ($end != "}")
			parserr($end, "}")
		end--
		if ($end != ";")
			parserr($end, ";")
		end--
		if ($end != ")")
			parserr($end, ")")
		end--

syscallret=$f
		f++
		while (ret_inc > 0) {
			syscallret=syscallret " " $f
			f++
			ret_inc--
		}

funcname=$f

#
		# We now know the func name, so define a flags field for it.
		# Do this before any other processing as we may return early
		# from it.
		#
		for (cap in capenabled) {
			if (funcname == capenabled[cap] ||
			    funcname == abi_func_prefix capenabled[cap]) {
				flags = "SYF_CAPENABLED";
				break;
			}
		}

if (funcalias == "")
			funcalias = funcname
		if (argalias == "") {
			argalias = funcname "_args"
			if (flag("COMPAT"))
				argalias = "o" argalias
			if (flag("COMPAT4"))
				argalias = "freebsd4_" argalias
			if (flag("COMPAT6"))
				argalias = "freebsd6_" argalias
			if (flag("COMPAT7"))
				argalias = "freebsd7_" argalias
			if (flag("COMPAT10"))
				argalias = "freebsd10_" argalias
			if (flag("COMPAT11"))
				argalias = "freebsd11_" argalias
			if (flag("COMPAT12"))
				argalias = "freebsd12_" argalias
		}
		f++

if ($f != "(")
			parserr($f, ")")
		f++

if (f == end) {
			if ($f != "void")
				parserr($f, "argument definition")
			return
		}

while (f <= end) {
			argc++
			argtype[argc]=""
			oldf=""
			while (f < end && $(f+1) != ",") {
				if (argtype[argc] != "" && oldf != "*")
					argtype[argc] = argtype[argc]" ";
				argtype[argc] = argtype[argc]$f;
				oldf = $f;
				f++
			}
			if (argtype[argc] == "")
				parserr($f, "argument definition")

# The parser adds space around parens.
			# Remove it from annotations.
			gsub(/ $ /, "(", argtype[argc]);
			gsub(/ $/, ")", argtype[argc]);

#remove annotations
			gsub(/_In[^ ]*[_)] /, "", argtype[argc]);
			gsub(/_Out[^ ]*[_)] /, "", argtype[argc]);

argname[argc]=$f;
			f += 2;			# skip name, and any comma
		}
		if (argc != 0)
			argssize = "AS(" argalias ")"
	}
	{	comment = $4
		if (NF < 7)
			for (i = 5; i <= NF; i++)
				comment = comment " " $i
	}

#
	# The AUE_ audit event identifier.
	#
	{
		auditev = $2;
	}

#
	# The flags, if any.
	#
	{
		flags = "0";
	}

type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \
	    || type("NOSTD") {
		parseline()
		printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace
		printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp
		printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systraceret
		if (argc > 0) {
			printf("\t\tswitch(ndx) {\n") > systracetmp
			printf("\t\tstruct %s *p = params;\n", argalias) > systrace
			for (i = 1; i <= argc; i++) {
				arg = argtype[i]
				sub("__restrict$", "", arg)
				if (index(arg, "*") > 0)
					printf("\t\tcase %d:\n\t\t\tp = \"userland %s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp
				else
					printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp
				if (index(arg, "*") > 0 || arg == "caddr_t")
					printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \
					     i - 1, \
					     argname[i], arg) > systrace
				else if (arg == "union l_semun")
					printf("\t\tuarg[%d] = p->%s.buf; /* %s */\n", \
					     i - 1, \
					     argname[i], arg) > systrace
				else if (substr(arg, 1, 1) == "u" || arg == "size_t")
					printf("\t\tuarg[%d] = p->%s; /* %s */\n", \
					     i - 1, \
					     argname[i], arg) > systrace
				else
					printf("\t\tiarg[%d] = p->%s; /* %s */\n", \
					     i - 1, \
					     argname[i], arg) > systrace
			}
			printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp

printf("\t\tif (ndx == 0 || ndx == 1)\n") > systraceret
			printf("\t\t\tp = \"%s\";\n", syscallret) > systraceret
			printf("\t\tbreak;\n") > systraceret
		}
		printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace
		printf("\t\tbreak;\n") > systracetmp
		if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF")) {
			if (argc != 0) {
				printf("struct %s {\n", argalias) > sysarg
				for (i = 1; i <= argc; i++)
					printf("\tchar %s_l_[PADL_(%s)]; " \
					    "%s %s; char %s_r_[PADR_(%s)];\n",
					    argname[i], argtype[i],
					    argtype[i], argname[i],
					    argname[i], argtype[i]) > sysarg
				printf("};\n") > sysarg
			} else
				printf("struct %s {\n\tregister_t dummy;\n};\n",
				    argalias) > sysarg
		}
		if (!flag("NOPROTO") && !flag("NODEF")) {
			if (funcname == "nosys" || funcname == "lkmnosys" ||
			    funcname == "sysarch" || funcname ~ /^freebsd/ || 
			    funcname ~ /^linux/ || funcname ~ /^cloudabi/) {
				printf("%s\t%s(struct thread *, struct %s *)",
				    rettype, funcname, argalias) > sysdcl
			} else {
				printf("%s\tsys_%s(struct thread *, struct %s *)",
				    rettype, funcname, argalias) > sysdcl
			} 
			printf(";\n") > sysdcl
			printf("#define\t%sAUE_%s\t%s\n", syscallprefix,
			    funcalias, auditev) > sysaue
		}
		printf("\t{ %s, (sy_call_t *)", argssize) > sysent
		column = 8 + 2 + length(argssize) + 15
		if (flag("NOSTD")) {
			printf("lkmressys, AUE_NULL, NULL, 0, 0, %s, SY_THR_ABSENT },", flags) > sysent
			column = column + length("lkmressys") + length("AUE_NULL") + 3
		} else {
			if (funcname == "nosys" || funcname == "sysarch" || 
			    funcname == "lkmnosys" || funcname ~ /^freebsd/ ||
			    funcname ~ /^linux/ || funcname ~ /^cloudabi/) {
				printf("%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
				column = column + length(funcname) + length(auditev) + length(flags) + 3 
			} else {
				printf("sys_%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
				column = column + length(funcname) + length(auditev) + length(flags) + 3 + 4
			} 
		} 
		align_sysent_comment(column)
		printf("/* %d = %s */\n", syscall, funcalias) > sysent
		printf("\t\"%s\",\t\t\t/* %d = %s */\n",
		    funcalias, syscall, funcalias) > sysnames
		if (!flag("NODEF")) {
			printf("#define\t%s%s\t%d\n", syscallprefix,
		    	    funcalias, syscall) > syshdr
			printf(" \\\n\t%s.o", funcalias) > sysmk
		}
		syscall++
		next
	}
	type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \
	    type("COMPAT7") || type("COMPAT10") || type("COMPAT11") || \
	    type("COMPAT12") {
		if (flag("COMPAT")) {
			ncompat++
			out = syscompat
			outdcl = syscompatdcl
			wrap = "compat"
			prefix = "o"
			descr = "old"
		} else if (flag("COMPAT4")) {
			ncompat4++
			out = syscompat4
			outdcl = syscompat4dcl
			wrap = "compat4"
			prefix = "freebsd4_"
			descr = "freebsd4"
		} else if (flag("COMPAT6")) {
			ncompat6++
			out = syscompat6
			outdcl = syscompat6dcl
			wrap = "compat6"
			prefix = "freebsd6_"
			descr = "freebsd6"
		} else if (flag("COMPAT7")) {
			ncompat7++
			out = syscompat7
			outdcl = syscompat7dcl
			wrap = "compat7"
			prefix = "freebsd7_"
			descr = "freebsd7"
		} else if (flag("COMPAT10")) {
			ncompat10++
			out = syscompat10
			outdcl = syscompat10dcl
			wrap = "compat10"
			prefix = "freebsd10_"
			descr = "freebsd10"
		} else if (flag("COMPAT11")) {
			ncompat11++
			out = syscompat11
			outdcl = syscompat11dcl
			wrap = "compat11"
			prefix = "freebsd11_"
			descr = "freebsd11"
		} else if (flag("COMPAT12")) {
			ncompat12++
			out = syscompat12
			outdcl = syscompat12dcl
			wrap = "compat12"
			prefix = "freebsd12_"
			descr = "freebsd12"
		}
		parseline()
		if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
		    !flag("NODEF")) {
			printf("struct %s {\n", argalias) > out
			for (i = 1; i <= argc; i++)
				printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \
				    "char %s_r_[PADR_(%s)];\n",
				    argname[i], argtype[i],
				    argtype[i], argname[i],
				    argname[i], argtype[i]) > out
			printf("};\n") > out
		}
		else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
			printf("struct %s {\n\tregister_t dummy;\n};\n",
			    argalias) > sysarg
		if (!flag("NOPROTO") && !flag("NODEF")) {
			printf("%s\t%s%s(struct thread *, struct %s *);\n",
			    rettype, prefix, funcname, argalias) > outdcl
			printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix,
			    prefix, funcname, auditev) > sysaue
		}
		if (flag("NOSTD")) {
			printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0, SY_THR_ABSENT },",
			    "0", "lkmressys", "AUE_NULL") > sysent
			align_sysent_comment(8 + 2 + length("0") + 15 + \
			    length("lkmressys") + length("AUE_NULL") + 3)
		} else {
			printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s, %s },",
			    wrap, argssize, funcname, auditev, flags, thr_flag) > sysent
			align_sysent_comment(8 + 9 + length(argssize) + 1 + \
			    length(funcname) + length(auditev) + \
			    length(flags) + 4)
		}
		printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent
		printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n",
		    wrap, funcalias, syscall, descr, funcalias) > sysnames
		# Do not provide freebsdN_* symbols in libc for < FreeBSD 7
		if (flag("COMPAT") || flag("COMPAT4") || flag("COMPAT6")) {
			printf("\t\t\t\t/* %d is %s %s */\n",
			    syscall, descr, funcalias) > syshdr
		} else if (!flag("NODEF")) {
			printf("#define\t%s%s%s\t%d\n", syscallprefix,
			    prefix, funcalias, syscall) > syshdr
			printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk
		}
		syscall++
		next
	}
	type("OBSOL") {
		printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },") > sysent
		align_sysent_comment(34)
		printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
		printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
		    $4, syscall, comment) > sysnames
		printf("\t\t\t\t/* %d is obsolete %s */\n",
		    syscall, comment) > syshdr
		syscall++
		next
	}
	type("UNIMPL") {
		while (syscall <= syscall_range[2]) {
			printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n",
			    syscall, comment) > sysent
			printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
			    syscall, syscall, comment) > sysnames
			syscall++
		}
		next
	}
	{
		printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3
		exit 1
	}
	END {
		printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc

if (ncompat != 0) {
			printf "\n#ifdef %s\n", compat > sysinc
			printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
			printf "#else\n" > sysinc
			printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
			printf "#endif\n" > sysinc
		}

if (ncompat4 != 0) {
			printf "\n#ifdef %s\n", compat4 > sysinc
			printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc
			printf "#else\n" > sysinc
			printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc
			printf "#endif\n" > sysinc
		}

if (ncompat6 != 0) {
			printf "\n#ifdef %s\n", compat6 > sysinc
			printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc
			printf "#else\n" > sysinc
			printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc
			printf "#endif\n" > sysinc
		}

if (ncompat7 != 0) {
			printf "\n#ifdef %s\n", compat7 > sysinc
			printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc
			printf "#else\n" > sysinc
			printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc
			printf "#endif\n" > sysinc
		}
		if (ncompat10 != 0) {
			printf "\n#ifdef %s\n", compat10 > sysinc
			printf "#define compat10(n, name) n, (sy_call_t *)__CONCAT(freebsd10_,name)\n" > sysinc
			printf "#else\n" > sysinc
			printf "#define compat10(n, name) 0, (sy_call_t *)nosys\n" > sysinc
			printf "#endif\n" > sysinc
		}
		if (ncompat11 != 0) {
			printf "\n#ifdef %s\n", compat11 > sysinc
			printf "#define compat11(n, name) n, (sy_call_t *)__CONCAT(freebsd11_,name)\n" > sysinc
			printf "#else\n" > sysinc
			printf "#define compat11(n, name) 0, (sy_call_t *)nosys\n" > sysinc
			printf "#endif\n" > sysinc
		}
		if (ncompat12 != 0) {
			printf "\n#ifdef %s\n", compat12 > sysinc
			printf "#define compat12(n, name) n, (sy_call_t *)__CONCAT(freebsd12_,name)\n" > sysinc
			printf "#else\n" > sysinc
			printf "#define compat12(n, name) 0, (sy_call_t *)nosys\n" > sysinc
			printf "#endif\n" > sysinc
		}

printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
		printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl
		printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl
		printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl
		printf("\n#endif /* %s */\n\n", compat10) > syscompat10dcl
		printf("\n#endif /* %s */\n\n", compat11) > syscompat11dcl
		printf("\n#endif /* %s */\n\n", compat12) > syscompat12dcl

printf("\n#undef PAD_\n") > sysprotoend
		printf("#undef PADL_\n") > sysprotoend
		printf("#undef PADR_\n") > sysprotoend
		printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend

printf("\n") > sysmk
		printf("};\n") > sysent
		printf("};\n") > sysnames
		printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
		    > syshdr
		printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace
		printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp
		printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systraceret
	} '

cat $sysinc $sysent >> $syssw
cat $sysarg $sysdcl \
	$syscompat $syscompatdcl \
	$syscompat4 $syscompat4dcl \
	$syscompat6 $syscompat6dcl \
	$syscompat7 $syscompat7dcl \
	$syscompat10 $syscompat10dcl \
	$syscompat11 $syscompat11dcl \
	$syscompat12 $syscompat12dcl \
	$sysaue $sysprotoend > $sysproto
cat $systracetmp >> $systrace
cat $systraceret >> $systrace

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