4af6033324
syscalls.conf is included using "." which per the Open Group: If file does not contain a <slash>, the shell shall use the search path specified by PATH to find the directory containing file. POSIX shells don't fall back to the current working directory. Submitted by: Nathaniel Wesley Filardo <nwf20@cl.cam.ac.uk> Reviewed by: bdrewery Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D20476
772 lines
22 KiB
Bash
772 lines
22 KiB
Bash
#! /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
|
|
|
|
# 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.$$"
|
|
syscompat11dcl="sysent.compat11dcl.$$"
|
|
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 $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret" 0
|
|
|
|
touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret
|
|
|
|
case $# in
|
|
0) echo "usage: $0 input-file <config-file>" 1>&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
if [ -n "$2" ]; then
|
|
. "$2"
|
|
fi
|
|
|
|
if [ -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\"
|
|
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\"
|
|
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 * 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 > 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 > 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 > 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
|
|
}
|
|
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 (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
|
|
!flag("NODEF")) {
|
|
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 if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
|
|
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") {
|
|
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"
|
|
}
|
|
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
|
|
}
|
|
|
|
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#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 \
|
|
$sysaue $sysprotoend > $sysproto
|
|
cat $systracetmp >> $systrace
|
|
cat $systraceret >> $systrace
|
|
|