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Support "NOARGS INDIR" for compat_mach.

This commit is contained in:
dsl 2007-11-10 13:22:11 +00:00
parent 3f7d4f8a4a
commit 84e8b2869e
1 changed files with 15 additions and 18 deletions
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33
sys/kern/makesyscalls.sh
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@ -1,5 +1,5 @@
#! /bin/sh -
# $NetBSD: makesyscalls.sh,v 1.60 2007/11/09 14:54:13 dsl Exp $
# $NetBSD: makesyscalls.sh,v 1.61 2007/11/10 13:22:11 dsl Exp $
#
# Copyright (c) 1994, 1996, 2000 Christopher G. Demetriou
# All rights reserved.
@ -302,8 +302,12 @@ function parseline() {
funcalias=""
end=NF
}
if ($f == "INDIR") { # allow for "NOARG INDIR"
sycall_flags = "SYCALL_INDIRECT | " sycall_flags
f++
}
if ($f == "MPSAFE") { # allow for MP-safe syscalls
sycall_flags = sprintf("SYCALL_MPSAFE | %s", sycall_flags)
sycall_flags = "SYCALL_MPSAFE | " sycall_flags
f++
}
if ($f ~ /^[a-z0-9_]*$/) { # allow syscall alias
@ -390,7 +394,7 @@ function parseline() {
}
# must see another argument after varargs notice.
if (isvarargs) {
if (argc == varargc && $2 != "INDIR")
if (argc == varargc)
parserr($f, "argument definition")
} else
varargc = argc;
@ -408,7 +412,7 @@ function printproto(wrap) {
syscall) > sysnumhdr
}
function putent(nodefs, compatwrap) {
function putent(type, compatwrap) {
# output syscall declaration for switch table.
if (compatwrap == "")
compatwrap_ = ""
@ -429,9 +433,9 @@ function putent(nodefs, compatwrap) {
printf("ns(struct %s%s_args), ", compatwrap_, funcname) > sysent
}
if (compatwrap == "")
wfn = sprintf("%s", funcname);
wfn = funcname;
else
wfn = sprintf("%s(%s)", compatwrap, funcname);
wfn = compatwrap "(" funcname ")";
printf("%s,\n\t %s },", sycall_flags, wfn) > sysent
for (i = 0; i < (33 - length(wfn)) / 8; i++)
printf("\t") > sysent
@ -442,38 +446,31 @@ function putent(nodefs, compatwrap) {
> sysnamesbottom
# output syscall number of header, if appropriate
if (nodefs == "" || nodefs == "NOARGS" || nodefs == "INDIR") {
if (type == "STD" || type == "NOARGS" || type == "INDIR") {
# output a prototype, to be used to generate lint stubs in
# libc.
printproto("")
} else if (nodefs == "COMPAT") {
} else if (type == "COMPAT") {
# Just define the syscall number with a comment. These
# may be used by compatibility stubs in libc.
printproto(compatwrap_)
}
# output syscall argument structure, if it has arguments
if (argc != 0 && nodefs != "NOARGS") {
if (argc != 0 && type != "NOARGS") {
printf("\nstruct %s%s_args {\n", compatwrap_, funcname) \
> sysarghdr
for (i = 1; i <= argc; i++)
printf("\tsyscallarg(%s) %s;\n", argtype[i],
argname[i]) > sysarghdr
printf("};\n") > sysarghdr
if (nodefs != "INDIR") {
if (type != "INDIR") {
printf("check_syscall_args(%s%s)\n", compatwrap_,
funcname) >sysarghdr
}
}
}
$2 == "STD" {
parseline()
putent("", "");
syscall++
next
}
$2 == "NODEF" || $2 == "NOARGS" || $2 == "INDIR" {
$2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "INDIR" {
parseline()
putent($2, "")
syscall++