summaryrefslogtreecommitdiffstats
path: root/src/syscall/mksysctl_openbsd.pl
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:15:26 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:15:26 +0000
commit82539ad8d59729fb45b0bb0edda8f2bddb719eb1 (patch)
tree58f0b58e6f44f0e04d4a6373132cf426fa835fa7 /src/syscall/mksysctl_openbsd.pl
parentInitial commit. (diff)
downloadgolang-1.17-upstream.tar.xz
golang-1.17-upstream.zip
Adding upstream version 1.17.13.upstream/1.17.13upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/syscall/mksysctl_openbsd.pl')
-rwxr-xr-xsrc/syscall/mksysctl_openbsd.pl257
1 files changed, 257 insertions, 0 deletions
diff --git a/src/syscall/mksysctl_openbsd.pl b/src/syscall/mksysctl_openbsd.pl
new file mode 100755
index 0000000..ea462a7
--- /dev/null
+++ b/src/syscall/mksysctl_openbsd.pl
@@ -0,0 +1,257 @@
+#!/usr/bin/env perl
+
+# Copyright 2011 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+#
+# Parse the header files for OpenBSD and generate a Go usable sysctl MIB.
+#
+# Build a MIB with each entry being an array containing the level, type and
+# a hash that will contain additional entries if the current entry is a node.
+# We then walk this MIB and create a flattened sysctl name to OID hash.
+#
+
+use strict;
+
+my $debug = 0;
+my %ctls = ();
+
+my @headers = qw (
+ sys/sysctl.h
+ sys/socket.h
+ sys/tty.h
+ sys/malloc.h
+ sys/mount.h
+ sys/namei.h
+ sys/sem.h
+ sys/shm.h
+ sys/vmmeter.h
+ uvm/uvm_param.h
+ uvm/uvm_swap_encrypt.h
+ ddb/db_var.h
+ net/if.h
+ net/if_pfsync.h
+ net/pipex.h
+ netinet/in.h
+ netinet/icmp_var.h
+ netinet/igmp_var.h
+ netinet/ip_ah.h
+ netinet/ip_carp.h
+ netinet/ip_divert.h
+ netinet/ip_esp.h
+ netinet/ip_ether.h
+ netinet/ip_gre.h
+ netinet/ip_ipcomp.h
+ netinet/ip_ipip.h
+ netinet/pim_var.h
+ netinet/tcp_var.h
+ netinet/udp_var.h
+ netinet6/in6.h
+ netinet6/ip6_divert.h
+ netinet6/pim6_var.h
+ netinet/icmp6.h
+ netmpls/mpls.h
+);
+
+my @ctls = qw (
+ kern
+ vm
+ fs
+ net
+ #debug # Special handling required
+ hw
+ #machdep # Arch specific
+ user
+ ddb
+ #vfs # Special handling required
+ fs.posix
+ kern.forkstat
+ kern.intrcnt
+ kern.malloc
+ kern.nchstats
+ kern.seminfo
+ kern.shminfo
+ kern.timecounter
+ kern.tty
+ kern.watchdog
+ net.bpf
+ net.ifq
+ net.inet
+ net.inet.ah
+ net.inet.carp
+ net.inet.divert
+ net.inet.esp
+ net.inet.etherip
+ net.inet.gre
+ net.inet.icmp
+ net.inet.igmp
+ net.inet.ip
+ net.inet.ip.ifq
+ net.inet.ipcomp
+ net.inet.ipip
+ net.inet.mobileip
+ net.inet.pfsync
+ net.inet.pim
+ net.inet.tcp
+ net.inet.udp
+ net.inet6
+ net.inet6.divert
+ net.inet6.ip6
+ net.inet6.icmp6
+ net.inet6.pim6
+ net.inet6.tcp6
+ net.inet6.udp6
+ net.mpls
+ net.mpls.ifq
+ net.key
+ net.pflow
+ net.pfsync
+ net.pipex
+ net.rt
+ vm.swapencrypt
+ #vfsgenctl # Special handling required
+);
+
+# Node name "fixups"
+my %ctl_map = (
+ "ipproto" => "net.inet",
+ "net.inet.ipproto" => "net.inet",
+ "net.inet6.ipv6proto" => "net.inet6",
+ "net.inet6.ipv6" => "net.inet6.ip6",
+ "net.inet.icmpv6" => "net.inet6.icmp6",
+ "net.inet6.divert6" => "net.inet6.divert",
+ "net.inet6.tcp6" => "net.inet.tcp",
+ "net.inet6.udp6" => "net.inet.udp",
+ "mpls" => "net.mpls",
+ "swpenc" => "vm.swapencrypt"
+);
+
+# Node mappings
+my %node_map = (
+ "net.inet.ip.ifq" => "net.ifq",
+ "net.inet.pfsync" => "net.pfsync",
+ "net.mpls.ifq" => "net.ifq"
+);
+
+my $ctlname;
+my %mib = ();
+my %sysctl = ();
+my $node;
+
+sub debug() {
+ print STDERR "$_[0]\n" if $debug;
+}
+
+# Walk the MIB and build a sysctl name to OID mapping.
+sub build_sysctl() {
+ my ($node, $name, $oid) = @_;
+ my %node = %{$node};
+ my @oid = @{$oid};
+
+ foreach my $key (sort keys %node) {
+ my @node = @{$node{$key}};
+ my $nodename = $name.($name ne '' ? '.' : '').$key;
+ my @nodeoid = (@oid, $node[0]);
+ if ($node[1] eq 'CTLTYPE_NODE') {
+ if (exists $node_map{$nodename}) {
+ $node = \%mib;
+ $ctlname = $node_map{$nodename};
+ foreach my $part (split /\./, $ctlname) {
+ $node = \%{@{$$node{$part}}[2]};
+ }
+ } else {
+ $node = $node[2];
+ }
+ &build_sysctl($node, $nodename, \@nodeoid);
+ } elsif ($node[1] ne '') {
+ $sysctl{$nodename} = \@nodeoid;
+ }
+ }
+}
+
+foreach my $ctl (@ctls) {
+ $ctls{$ctl} = $ctl;
+}
+
+# Build MIB
+foreach my $header (@headers) {
+ &debug("Processing $header...");
+ open HEADER, "/usr/include/$header" ||
+ print STDERR "Failed to open $header\n";
+ while (<HEADER>) {
+ if ($_ =~ /^#define\s+(CTL_NAMES)\s+{/ ||
+ $_ =~ /^#define\s+(CTL_(.*)_NAMES)\s+{/ ||
+ $_ =~ /^#define\s+((.*)CTL_NAMES)\s+{/) {
+ if ($1 eq 'CTL_NAMES') {
+ # Top level.
+ $node = \%mib;
+ } else {
+ # Node.
+ my $nodename = lc($2);
+ if ($header =~ /^netinet\//) {
+ $ctlname = "net.inet.$nodename";
+ } elsif ($header =~ /^netinet6\//) {
+ $ctlname = "net.inet6.$nodename";
+ } elsif ($header =~ /^net\//) {
+ $ctlname = "net.$nodename";
+ } else {
+ $ctlname = "$nodename";
+ $ctlname =~ s/^(fs|net|kern)_/$1\./;
+ }
+ if (exists $ctl_map{$ctlname}) {
+ $ctlname = $ctl_map{$ctlname};
+ }
+ if (not exists $ctls{$ctlname}) {
+ &debug("Ignoring $ctlname...");
+ next;
+ }
+
+ # Walk down from the top of the MIB.
+ $node = \%mib;
+ foreach my $part (split /\./, $ctlname) {
+ if (not exists $$node{$part}) {
+ &debug("Missing node $part");
+ $$node{$part} = [ 0, '', {} ];
+ }
+ $node = \%{@{$$node{$part}}[2]};
+ }
+ }
+
+ # Populate current node with entries.
+ my $i = -1;
+ while (defined($_) && $_ !~ /^}/) {
+ $_ = <HEADER>;
+ $i++ if $_ =~ /{.*}/;
+ next if $_ !~ /{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}/;
+ $$node{$1} = [ $i, $2, {} ];
+ }
+ }
+ }
+ close HEADER;
+}
+
+&build_sysctl(\%mib, "", []);
+
+print <<EOF;
+// mksysctl_openbsd.pl
+// Code generated by the command above; DO NOT EDIT.
+
+package syscall;
+
+type mibentry struct {
+ ctlname string
+ ctloid []_C_int
+}
+
+var sysctlMib = []mibentry {
+EOF
+
+foreach my $name (sort keys %sysctl) {
+ my @oid = @{$sysctl{$name}};
+ print "\t{ \"$name\", []_C_int{ ", join(', ', @oid), " } }, \n";
+}
+
+print <<EOF;
+}
+EOF