On Thu, 3 Aug 2023 18:43:21 -0700
Andrew Hewus Fresh <[email protected]> wrote:
> Here's a new version, I think I addressed all of the feedback I got,
> although may have missed something.
ok gkoehler@
You sent this new version 2 weeks ago, but I didn't build it until
yesterday. syscall_emulator.t passes on macppc and powerpc64.
> Index: gnu/usr.bin/perl/MANIFEST
> ===================================================================
> RCS file: /home/afresh1/OpenBSD-perl/OP/cvs/src/gnu/usr.bin/perl/MANIFEST,v
> retrieving revision 1.67
> diff -u -p -a -u -p -r1.67 MANIFEST
> --- gnu/usr.bin/perl/MANIFEST 8 Jul 2023 14:18:35 -0000 1.67
> +++ gnu/usr.bin/perl/MANIFEST 3 Aug 2023 04:34:38 -0000
> @@ -6605,6 +6605,7 @@ t/op/svleak.pl Test file for svleak.t
> t/op/svleak.t See if stuff leaks SVs
> t/op/switch.t See if switches (given/when) work
> t/op/symbolcache.t See if undef/delete works on stashes with
> functions
> +t/op/syscall_emulator.t Tests that syscall works via the
> emulator
> t/op/sysio.t See if sysread and syswrite work
> t/op/taint.t See if tainting works
> t/op/threads.t Misc. tests for perl features with
> threads
> Index: gnu/usr.bin/perl/Makefile.SH
> ===================================================================
> RCS file: /home/afresh1/OpenBSD-perl/OP/cvs/src/gnu/usr.bin/perl/Makefile.SH,v
> retrieving revision 1.60
> diff -u -p -a -u -p -r1.60 Makefile.SH
> --- gnu/usr.bin/perl/Makefile.SH 8 Jul 2023 14:18:35 -0000 1.60
> +++ gnu/usr.bin/perl/Makefile.SH 3 Aug 2023 04:34:38 -0000
> @@ -541,7 +541,7 @@ c1 = av.c scope.c op.c doop.c doio.c dum
> c2 = perly.c pp.c pp_hot.c pp_ctl.c pp_sys.c regcomp.c regexec.c utf8.c sv.c
> c3 = taint.c toke.c util.c deb.c run.c builtin.c universal.c pad.c globals.c
> keywords.c
> c4 = perlio.c numeric.c mathoms.c locale.c pp_pack.c pp_sort.c caretx.c
> dquote.c time64.c
> -c5 = $(mallocsrc)
> +c5 = $(mallocsrc) syscall_emulator.c
>
> !NO!SUBS!
>
> @@ -557,7 +557,7 @@ c = $(c1) $(c2) $(c3) $(c4) $(c5) minipe
>
> obj1 = $(mallocobj) gv$(OBJ_EXT) toke$(OBJ_EXT) perly$(OBJ_EXT)
> pad$(OBJ_EXT) regcomp$(OBJ_EXT) dump$(OBJ_EXT) util$(OBJ_EXT) mg$(OBJ_EXT)
> reentr$(OBJ_EXT) mro_core$(OBJ_EXT) keywords$(OBJ_EXT) builtin$(OBJ_EXT)
> obj2 = hv$(OBJ_EXT) av$(OBJ_EXT) run$(OBJ_EXT) pp_hot$(OBJ_EXT) sv$(OBJ_EXT)
> pp$(OBJ_EXT) scope$(OBJ_EXT) pp_ctl$(OBJ_EXT) pp_sys$(OBJ_EXT)
> -obj3 = doop$(OBJ_EXT) doio$(OBJ_EXT) regexec$(OBJ_EXT) utf8$(OBJ_EXT)
> taint$(OBJ_EXT) deb$(OBJ_EXT) globals$(OBJ_EXT) perlio$(OBJ_EXT)
> numeric$(OBJ_EXT) mathoms$(OBJ_EXT) locale$(OBJ_EXT) pp_pack$(OBJ_EXT)
> pp_sort$(OBJ_EXT) caretx$(OBJ_EXT) dquote$(OBJ_EXT) time64$(OBJ_EXT)
> +obj3 = doop$(OBJ_EXT) doio$(OBJ_EXT) regexec$(OBJ_EXT) utf8$(OBJ_EXT)
> taint$(OBJ_EXT) deb$(OBJ_EXT) globals$(OBJ_EXT) perlio$(OBJ_EXT)
> numeric$(OBJ_EXT) mathoms$(OBJ_EXT) locale$(OBJ_EXT) pp_pack$(OBJ_EXT)
> pp_sort$(OBJ_EXT) caretx$(OBJ_EXT) dquote$(OBJ_EXT) time64$(OBJ_EXT)
> syscall_emulator$(OBJ_EXT)
>
> # split the objects into 3 exclusive sets: those used by both miniperl and
> # perl, and those used by just one or the other. Doesn't include the
> Index: gnu/usr.bin/perl/Makefile.bsd-wrapper
> ===================================================================
> RCS file:
> /home/afresh1/OpenBSD-perl/OP/cvs/src/gnu/usr.bin/perl/Makefile.bsd-wrapper,v
> retrieving revision 1.113
> diff -u -p -a -u -p -r1.113 Makefile.bsd-wrapper
> --- gnu/usr.bin/perl/Makefile.bsd-wrapper 15 Feb 2023 01:38:20 -0000
> 1.113
> +++ gnu/usr.bin/perl/Makefile.bsd-wrapper 3 Aug 2023 04:34:38 -0000
> @@ -39,11 +39,18 @@ cleandir:
> fi
> cd ${.CURDIR} && ${MAKE} -f Makefile.bsd-wrapper1 cleandir
>
> -all: config.sh
> +all: syscall_emulator.c config.sh
> cd ${.CURDIR} && exec ${MAKE} -f Makefile.bsd-wrapper1 perl.build
> cd ${.CURDIR} && exec ${MAKE} -f Makefile.bsd-wrapper1 mansrc.build
>
> install:
> cd ${.CURDIR} && exec ${MAKE} -f Makefile.bsd-wrapper1 install
> +
> +
> +syscall_emulator.c: gen_syscall_emulator.pl syscall_emulator.h
> /usr/include/sys/syscall.h /usr/include/sys/syscallargs.h
> + /usr/bin/perl $(.CURDIR)/gen_syscall_emulator.pl > $@
> +
> +syscall_emulator.h:
> + ln -sf $(.CURDIR)/$@ $@
>
> .include <bsd.obj.mk>
> Index: gnu/usr.bin/perl/config.over
> ===================================================================
> RCS file: /home/afresh1/OpenBSD-perl/OP/cvs/src/gnu/usr.bin/perl/config.over,v
> retrieving revision 1.22
> diff -u -p -a -u -p -r1.22 config.over
> --- gnu/usr.bin/perl/config.over 5 Feb 2017 00:33:38 -0000 1.22
> +++ gnu/usr.bin/perl/config.over 3 Aug 2023 04:34:38 -0000
> @@ -64,3 +64,9 @@ myuname='openbsd'
>
> # force to use ranlib
> ranlib='ranlib'
> +
> +# Enable the syscall emulator,
> +# enabling syscall even if we don't have it
> +d_syscall=define
> +d_syscallproto=define
> +
> Index: gnu/usr.bin/perl/gen_syscall_emulator.pl
> ===================================================================
> RCS file: gnu/usr.bin/perl/gen_syscall_emulator.pl
> diff -N gnu/usr.bin/perl/gen_syscall_emulator.pl
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ gnu/usr.bin/perl/gen_syscall_emulator.pl 3 Aug 2023 04:34:41 -0000
> @@ -0,0 +1,360 @@
> +#!/usr/bin/perl
> +# $OpenBSD$ #
> +use v5.36;
> +use autodie;
> +
> +# Copyright (c) 2023 Andrew Hewus Fresh <[email protected]>
> +#
> +# Permission to use, copy, modify, and distribute this software for any
> +# purpose with or without fee is hereby granted, provided that the above
> +# copyright notice and this permission notice appear in all copies.
> +#
> +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
> +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
> +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
> +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
> +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
> +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
> +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
> +
> +my $includes = '/usr/include';
> +
> +# Because perl uses a long for every syscall argument,
> +# if we are building a syscall_emulator for use by perl,
> +# taking that into account make things work more consistently
> +# across different OpenBSD architectures.
> +# Unfortunately there doesn't appear to be an easy way
> +# to make everything work "the way it was".
> +use constant PERL_LONG_ARGS => 1;
> +
> +# See also /usr/src/sys/kern/syscalls.master
> +my %syscalls = parse_syscalls(
> + "$includes/sys/syscall.h",
> + "$includes/sys/syscallargs.h",
> +)->%*;
> +delete $syscalls{MAXSYSCALL}; # not an actual function
> +
> +# The ordered list of all the headers we need
> +my @headers = qw<
> + sys/syscall.h
> + stdarg.h
> + errno.h
> +
> + sys/socket.h
> + sys/event.h
> + sys/futex.h
> + sys/ioctl.h
> + sys/ktrace.h
> + sys/mman.h
> + sys/mount.h
> + sys/msg.h
> + sys/poll.h
> + sys/ptrace.h
> + sys/resource.h
> + sys/select.h
> + sys/sem.h
> + sys/shm.h
> + sys/stat.h
> + sys/sysctl.h
> + sys/time.h
> + sys/uio.h
> + sys/wait.h
> +
> + dirent.h
> + fcntl.h
> + sched.h
> + signal.h
> + stdlib.h
> + stdio.h
> + syslog.h
> + tib.h
> + time.h
> + unistd.h
> +>;
> +
> +foreach my $header (@headers) {
> + my $filename = "$includes/$header";
> + open my $fh, '<', $filename;
> + my $content = do { local $/; readline $fh };
> + close $fh;
> +
> + foreach my $name (sort keys %syscalls) {
> + my $s = $syscalls{$name};
> + my $func_sig = find_func_sig($content, $name, $s);
> +
> + if (ref $func_sig) {
> + die "Multiple defs for $name <$header> <$s->{header}>"
> + if $s->{header};
> + $s->{func} = $func_sig;
> + $s->{header} = $header;
> + } elsif ($func_sig) {
> + $s->{mismatched_sig} = "$func_sig <$header>";
> + }
> + }
> +}
> +
> +say "/*\n * Generated from gen_syscall_emulator.pl\n */";
> +say "#include <$_>" for @headers;
> +print <<"EOL";
> +#include "syscall_emulator.h"
> +
> +long
> +syscall_emulator(int syscall, ...)
> +{
> + long ret = 0;
> + va_list args;
> + va_start(args, syscall);
> +
> + switch(syscall) {
> +EOL
> +
> +foreach my $name (
> + sort { $syscalls{$a}{id} <=> $syscalls{$b}{id} } keys %syscalls
> + ) {
> + my %s = %{ $syscalls{$name} };
> +
> + # Some syscalls we can't emulate, so we comment those out.
> + $s{skip} //= "Indirect syscalls not supported"
> + if !$s{argtypes} && ($s{args}[-1] || '') eq '...';
> + $s{skip} //= "Mismatched func: $s{mismatched_sig}"
> + if $s{mismatched_sig} and not $s{func};
> + $s{skip} //= "No signature found in headers"
> + unless $s{header};
> +
> + my $ret = $s{ret} eq 'void' ? '' : 'ret = ';
> + $ret .= '(long)' if $s{ret} eq 'void *';
> +
> + my (@args, @defines);
> + my $argname = '';
> + if ($s{argtypes}) {
> + if (@{ $s{argtypes} } > 1) {
> + @defines = map {
> + my $t = $_->{type};
> + my $n = $_->{name};
> + $n = "_$n" if $n eq $name; # link :-/
> + push @args, $n;
> + PERL_LONG_ARGS
> + ? "$t $n = ($t)va_arg(args, long);"
> + : "$t $n = va_arg(args, $t);"
> + } @{ $s{argtypes} };
> + } else {
> + if (@{ $s{argtypes} }) {
> + $argname = " // " . join ', ',
> + map { $_->{name} }
> + @{ $s{argtypes} };
> + }
> + @args = map { "va_arg(args, $_->{type})" }
> + @{ $s{argtypes} };
> + }
> + } else {
> + @args = @{ $s{args} };
> +
> + # If we didn't find args in syscallargs.h but have args
> + # we don't know how to write our function.
> + $s{skip} //= "Not found in sys/syscallargs.h"
> + if @args;
> + }
> +
> + #my $header = $s{header} ? " <$s{header}>" : '';
> +
> + my $indent = "\t";
> + say "$indent/* $s{skip}" if $s{skip};
> +
> + $indent .= ' *' if $s{skip};
> + say "${indent} $s{signature} <sys/syscall.h>"
> + if $s{skip} && $s{skip} =~ /Mismatch/;
> +
> + my $brace = @defines ? " {" : "";
> + say "${indent}case $s{define}:$brace"; # // $s{id}";
> + say "${indent}\t$_" for @defines;
> + #say "${indent}\t// $s{signature}$header";
> + say "${indent}\t$ret$name(" . join(', ', @args) . ");$argname";
> + say "${indent}\tbreak;";
> + say "${indent}}" if $brace;
> +
> + say "\t */" if $s{skip};
> +}
> +
> +print <<"EOL";
> + default:
> + ret = -1;
> + errno = ENOSYS;
> + }
> + va_end(args);
> +
> + return ret;
> +}
> +EOL
> +
> +
> +sub parse_syscalls($syscall, $args)
> +{
> + my %s = parse_syscall_h($syscall)->%*;
> +
> + my %a = parse_syscallargs_h($args)->%*;
> + $s{$_}{argtypes} = $a{$_} for grep { $a{$_} } keys %s;
> +
> + return \%s;
> +}
> +
> +sub parse_syscall_h($filename)
> +{
> + my %s;
> + open my $fh, '<', $filename;
> + while (readline $fh) {
> + if (m{^/\*
> + \s+ syscall: \s+ "(?<name>[^"]+)"
> + \s+ ret: \s+ "(?<ret> [^"]+)"
> + \s+ args: \s+ (?<args>.*?)
> + \s* \*/
> + |
> + ^\#define \s+ (?<define>SYS_(?<name>\S+)) \s+ (?<id>\d+)
> + }x)
> + {
> + my $name = $+{name};
> + $s{$name}{$_} = $+{$_} for keys %+;
> + $s{$name}{args} = [ $+{args} =~ /"(.*?)"/g ]
> + if exists $+{args};
> + }
> + }
> + close $fh;
> +
> + foreach my $name (keys %s) {
> + my %d = %{ $s{$name} };
> + next unless $d{ret}; # the MAXSYSCALL
> +
> + my $ret = $d{ret};
> + my @args = @{ $d{args} || [] };
> + @args = 'void' unless @args;
> +
> + if ($args[-1] ne '...') {
> + my @a;
> + for (@args) {
> + push @a, $_;
> + last if $_ eq '...';
> + }
> + @args = @a;
> + }
> +
> + my $args = join ", ", @args;
> + $s{$name}{signature} = "$ret\t$name($args);" =~ s/\s+/ /gr;
> + #print " $s{$name}{signature}\n";
> + }
> +
> + return \%s;
> +}
> +
> +sub parse_syscallargs_h($filename)
> +{
> + my %args;
> +
> + open my $fh, '<', $filename;
> + while (readline $fh) {
> + if (my ($syscall) = /^struct \s+ sys_(\w+)_args \s+ \{/x) {
> + $args{$syscall} = [];
> + while (readline $fh) {
> + last if /^\s*\};\s*$/;
> + if (/syscallarg
> + \( (?<type> [^)]+ ) \)
> + \s+ (?<name> \w+ ) \s* ;
> + /x) {
> + push @{$args{$syscall}}, {%+};
> + }
> + }
> + }
> + }
> + close $fh;
> +
> + return \%args;
> +}
> +
> +sub find_func_sig($content, $name, $s)
> +{
> + my $re = $s->{re} //= qr{^
> + (?<ret> \S+ (?: [^\S\n]+ \S+)? ) [^\S\n]* \n?
> + \b \Q$name\E \( (?<args> [^)]* ) \)
> + [^;]*;
> + }xms;
> +
> + $content =~ /$re/ || return !!0;
> + my $ret = $+{ret};
> + my $args = $+{args};
> +
> + for ($ret, $args) {
> + s/^\s+//;
> + s/\s+$//;
> + s/\s+/ /g;
> + }
> +
> + # The actual functions may have this extra annotation
> + $args =~ s/\*\s*__restrict/*/g;
> +
> + my %func_sig = ( ret => $ret, args => [ split /\s*,\s*/, $args ] );
> +
> + return "$ret $name($args);" =~ s/\s+/ /gr
> + unless sigs_match($s, \%func_sig);
> +
> + return \%func_sig;
> +}
> +
> +# Tests whether two types are equivalent.
> +# Sometimes there are two ways to represent the same thing
> +# and it seems the functions and the syscalls
> +# differ a fair amount.
> +sub types_match($l, $r)
> +{
> + state %m = (
> + caddr_t => 'char *',
> + idtype_t => 'int',
> + nfds_t => 'u_int',
> + __off_t => 'off_t',
> + pid_t => 'int',
> + __size_t => 'u_long',
> + size_t => 'u_long',
> + 'unsigned int' => 'u_int',
> + 'unsigned long' => 'u_long',
> + );
> +
> + $l //= '__undef__';
> + $r //= '__undef__';
> +
> + s/\b volatile \s+//x for $l, $r;
> + s/\b const \s+//x for $l, $r;
> + s/\s* \[\d*\] $/ \*/x for $l, $r;
> +
> + my ($f, $s) = sort { length($a) <=> length($b) } $l, $r;
> + if (index($s, $f) == 0) {
> + $s =~ s/^\Q$f\E\s*//;
> + if ( $s && $s =~ /^\w+$/ ) {
> + #warn "prefix ['$f', '$s']\n";
> + s/\s*\Q$s\E$// for $l, $r;
> + }
> + }
> +
> + $l = $m{$l} //= $l;
> + $r = $m{$r} //= $r;
> +
> + return $l eq $r;
> +}
> +
> +
> +# Tests whether two function signatures match,
> +# expected to be left from syscall.h, right from the appopriate header.
> +sub sigs_match($l, $r)
> +{
> + return !!0 unless types_match( $l->{ret}, $l->{ret} );
> +
> + my @l_args = @{ $l->{args} || [] };
> + my @r_args = @{ $r->{args} || [] };
> +
> + for (\@l_args, \@r_args) {
> + @{$_} = 'void' unless @{$_};
> + }
> +
> + for my $i ( 0 .. $#l_args ) {
> + return !!0 unless types_match($l_args[$i], $r_args[$i]);
> + last if $l_args[$i] eq '...';
> + }
> +
> + return !!1;
> +}
> Index: gnu/usr.bin/perl/pp_sys.c
> ===================================================================
> RCS file: /home/afresh1/OpenBSD-perl/OP/cvs/src/gnu/usr.bin/perl/pp_sys.c,v
> retrieving revision 1.24
> diff -u -p -a -u -p -r1.24 pp_sys.c
> --- gnu/usr.bin/perl/pp_sys.c 15 Feb 2023 01:36:13 -0000 1.24
> +++ gnu/usr.bin/perl/pp_sys.c 3 Aug 2023 04:34:42 -0000
> @@ -30,6 +30,8 @@
> #define PERL_IN_PP_SYS_C
> #include "perl.h"
> #include "time64.h"
> +#include "syscall_emulator.h"
> +#define syscall syscall_emulator
>
> #ifdef I_SHADOW
> /* Shadow password support for solaris - [email protected]
> Index: gnu/usr.bin/perl/syscall_emulator.c
> ===================================================================
> RCS file: gnu/usr.bin/perl/syscall_emulator.c
> diff -N gnu/usr.bin/perl/syscall_emulator.c
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ gnu/usr.bin/perl/syscall_emulator.c 3 Aug 2023 04:34:43 -0000
> @@ -0,0 +1,1420 @@
> +/*
> + * Generated from gen_syscall_emulator.pl
> + */
> +#include <sys/syscall.h>
> +#include <stdarg.h>
> +#include <errno.h>
> +#include <sys/socket.h>
> +#include <sys/event.h>
> +#include <sys/futex.h>
> +#include <sys/ioctl.h>
> +#include <sys/ktrace.h>
> +#include <sys/mman.h>
> +#include <sys/mount.h>
> +#include <sys/msg.h>
> +#include <sys/poll.h>
> +#include <sys/ptrace.h>
> +#include <sys/resource.h>
> +#include <sys/select.h>
> +#include <sys/sem.h>
> +#include <sys/shm.h>
> +#include <sys/stat.h>
> +#include <sys/sysctl.h>
> +#include <sys/time.h>
> +#include <sys/uio.h>
> +#include <sys/wait.h>
> +#include <dirent.h>
> +#include <fcntl.h>
> +#include <sched.h>
> +#include <signal.h>
> +#include <stdlib.h>
> +#include <stdio.h>
> +#include <syslog.h>
> +#include <tib.h>
> +#include <time.h>
> +#include <unistd.h>
> +#include "syscall_emulator.h"
> +
> +long
> +syscall_emulator(int syscall, ...)
> +{
> + long ret = 0;
> + va_list args;
> + va_start(args, syscall);
> +
> + switch(syscall) {
> + /* Indirect syscalls not supported
> + *case SYS_syscall:
> + * ret = syscall(int, ...);
> + * break;
> + */
> + case SYS_exit:
> + exit(va_arg(args, int)); // rval
> + break;
> + case SYS_fork:
> + ret = fork();
> + break;
> + case SYS_read: {
> + int fd = (int)va_arg(args, long);
> + void * buf = (void *)va_arg(args, long);
> + size_t nbyte = (size_t)va_arg(args, long);
> + ret = read(fd, buf, nbyte);
> + break;
> + }
> + case SYS_write: {
> + int fd = (int)va_arg(args, long);
> + const void * buf = (const void *)va_arg(args, long);
> + size_t nbyte = (size_t)va_arg(args, long);
> + ret = write(fd, buf, nbyte);
> + break;
> + }
> + case SYS_open: {
> + const char * path = (const char *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = open(path, flags, mode);
> + break;
> + }
> + case SYS_close:
> + ret = close(va_arg(args, int)); // fd
> + break;
> + case SYS_getentropy: {
> + void * buf = (void *)va_arg(args, long);
> + size_t nbyte = (size_t)va_arg(args, long);
> + ret = getentropy(buf, nbyte);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS___tfork: {
> + * const struct __tfork * param = (const struct __tfork
> *)va_arg(args, long);
> + * size_t psize = (size_t)va_arg(args, long);
> + * ret = __tfork(param, psize);
> + * break;
> + *}
> + */
> + case SYS_link: {
> + const char * path = (const char *)va_arg(args, long);
> + const char * _link = (const char *)va_arg(args, long);
> + ret = link(path, _link);
> + break;
> + }
> + case SYS_unlink:
> + ret = unlink(va_arg(args, const char *)); // path
> + break;
> + case SYS_wait4: {
> + pid_t pid = (pid_t)va_arg(args, long);
> + int * status = (int *)va_arg(args, long);
> + int options = (int)va_arg(args, long);
> + struct rusage * rusage = (struct rusage *)va_arg(args, long);
> + ret = wait4(pid, status, options, rusage);
> + break;
> + }
> + case SYS_chdir:
> + ret = chdir(va_arg(args, const char *)); // path
> + break;
> + case SYS_fchdir:
> + ret = fchdir(va_arg(args, int)); // fd
> + break;
> + case SYS_mknod: {
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + dev_t dev = (dev_t)va_arg(args, long);
> + ret = mknod(path, mode, dev);
> + break;
> + }
> + case SYS_chmod: {
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = chmod(path, mode);
> + break;
> + }
> + case SYS_chown: {
> + const char * path = (const char *)va_arg(args, long);
> + uid_t uid = (uid_t)va_arg(args, long);
> + gid_t gid = (gid_t)va_arg(args, long);
> + ret = chown(path, uid, gid);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS_break:
> + * ret = break(char *);
> + * break;
> + */
> + case SYS_getdtablecount:
> + ret = getdtablecount();
> + break;
> + case SYS_getrusage: {
> + int who = (int)va_arg(args, long);
> + struct rusage * rusage = (struct rusage *)va_arg(args, long);
> + ret = getrusage(who, rusage);
> + break;
> + }
> + case SYS_getpid:
> + ret = getpid();
> + break;
> + case SYS_mount: {
> + const char * type = (const char *)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + void * data = (void *)va_arg(args, long);
> + ret = mount(type, path, flags, data);
> + break;
> + }
> + case SYS_unmount: {
> + const char * path = (const char *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = unmount(path, flags);
> + break;
> + }
> + case SYS_setuid:
> + ret = setuid(va_arg(args, uid_t)); // uid
> + break;
> + case SYS_getuid:
> + ret = getuid();
> + break;
> + case SYS_geteuid:
> + ret = geteuid();
> + break;
> + case SYS_ptrace: {
> + int req = (int)va_arg(args, long);
> + pid_t pid = (pid_t)va_arg(args, long);
> + caddr_t addr = (caddr_t)va_arg(args, long);
> + int data = (int)va_arg(args, long);
> + ret = ptrace(req, pid, addr, data);
> + break;
> + }
> + case SYS_recvmsg: {
> + int s = (int)va_arg(args, long);
> + struct msghdr * msg = (struct msghdr *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = recvmsg(s, msg, flags);
> + break;
> + }
> + case SYS_sendmsg: {
> + int s = (int)va_arg(args, long);
> + const struct msghdr * msg = (const struct msghdr *)va_arg(args,
> long);
> + int flags = (int)va_arg(args, long);
> + ret = sendmsg(s, msg, flags);
> + break;
> + }
> + case SYS_recvfrom: {
> + int s = (int)va_arg(args, long);
> + void * buf = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + struct sockaddr * from = (struct sockaddr *)va_arg(args, long);
> + socklen_t * fromlenaddr = (socklen_t *)va_arg(args, long);
> + ret = recvfrom(s, buf, len, flags, from, fromlenaddr);
> + break;
> + }
> + case SYS_accept: {
> + int s = (int)va_arg(args, long);
> + struct sockaddr * name = (struct sockaddr *)va_arg(args, long);
> + socklen_t * anamelen = (socklen_t *)va_arg(args, long);
> + ret = accept(s, name, anamelen);
> + break;
> + }
> + case SYS_getpeername: {
> + int fdes = (int)va_arg(args, long);
> + struct sockaddr * asa = (struct sockaddr *)va_arg(args, long);
> + socklen_t * alen = (socklen_t *)va_arg(args, long);
> + ret = getpeername(fdes, asa, alen);
> + break;
> + }
> + case SYS_getsockname: {
> + int fdes = (int)va_arg(args, long);
> + struct sockaddr * asa = (struct sockaddr *)va_arg(args, long);
> + socklen_t * alen = (socklen_t *)va_arg(args, long);
> + ret = getsockname(fdes, asa, alen);
> + break;
> + }
> + case SYS_access: {
> + const char * path = (const char *)va_arg(args, long);
> + int amode = (int)va_arg(args, long);
> + ret = access(path, amode);
> + break;
> + }
> + case SYS_chflags: {
> + const char * path = (const char *)va_arg(args, long);
> + u_int flags = (u_int)va_arg(args, long);
> + ret = chflags(path, flags);
> + break;
> + }
> + case SYS_fchflags: {
> + int fd = (int)va_arg(args, long);
> + u_int flags = (u_int)va_arg(args, long);
> + ret = fchflags(fd, flags);
> + break;
> + }
> + case SYS_sync:
> + sync();
> + break;
> + /* No signature found in headers
> + *case SYS_msyscall: {
> + * void * addr = (void *)va_arg(args, long);
> + * size_t len = (size_t)va_arg(args, long);
> + * ret = msyscall(addr, len);
> + * break;
> + *}
> + */
> + case SYS_stat: {
> + const char * path = (const char *)va_arg(args, long);
> + struct stat * ub = (struct stat *)va_arg(args, long);
> + ret = stat(path, ub);
> + break;
> + }
> + case SYS_getppid:
> + ret = getppid();
> + break;
> + case SYS_lstat: {
> + const char * path = (const char *)va_arg(args, long);
> + struct stat * ub = (struct stat *)va_arg(args, long);
> + ret = lstat(path, ub);
> + break;
> + }
> + case SYS_dup:
> + ret = dup(va_arg(args, int)); // fd
> + break;
> + case SYS_fstatat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + struct stat * buf = (struct stat *)va_arg(args, long);
> + int flag = (int)va_arg(args, long);
> + ret = fstatat(fd, path, buf, flag);
> + break;
> + }
> + case SYS_getegid:
> + ret = getegid();
> + break;
> + case SYS_profil: {
> + caddr_t samples = (caddr_t)va_arg(args, long);
> + size_t size = (size_t)va_arg(args, long);
> + u_long offset = (u_long)va_arg(args, long);
> + u_int scale = (u_int)va_arg(args, long);
> + ret = profil(samples, size, offset, scale);
> + break;
> + }
> + case SYS_ktrace: {
> + const char * fname = (const char *)va_arg(args, long);
> + int ops = (int)va_arg(args, long);
> + int facs = (int)va_arg(args, long);
> + pid_t pid = (pid_t)va_arg(args, long);
> + ret = ktrace(fname, ops, facs, pid);
> + break;
> + }
> + case SYS_sigaction: {
> + int signum = (int)va_arg(args, long);
> + const struct sigaction * nsa = (const struct sigaction
> *)va_arg(args, long);
> + struct sigaction * osa = (struct sigaction *)va_arg(args, long);
> + ret = sigaction(signum, nsa, osa);
> + break;
> + }
> + case SYS_getgid:
> + ret = getgid();
> + break;
> + /* Mismatched func: int sigprocmask(int, const sigset_t *, sigset_t *);
> <signal.h>
> + * int sigprocmask(int, sigset_t); <sys/syscall.h>
> + *case SYS_sigprocmask: {
> + * int how = (int)va_arg(args, long);
> + * sigset_t mask = (sigset_t)va_arg(args, long);
> + * ret = sigprocmask(how, mask);
> + * break;
> + *}
> + */
> + case SYS_mmap: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int prot = (int)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + int fd = (int)va_arg(args, long);
> + off_t pos = (off_t)va_arg(args, long);
> + ret = (long)mmap(addr, len, prot, flags, fd, pos);
> + break;
> + }
> + case SYS_setlogin:
> + ret = setlogin(va_arg(args, const char *)); // namebuf
> + break;
> + case SYS_acct:
> + ret = acct(va_arg(args, const char *)); // path
> + break;
> + /* Mismatched func: int sigpending(sigset_t *); <signal.h>
> + * int sigpending(void); <sys/syscall.h>
> + *case SYS_sigpending:
> + * ret = sigpending();
> + * break;
> + */
> + case SYS_fstat: {
> + int fd = (int)va_arg(args, long);
> + struct stat * sb = (struct stat *)va_arg(args, long);
> + ret = fstat(fd, sb);
> + break;
> + }
> + case SYS_ioctl: {
> + int fd = (int)va_arg(args, long);
> + u_long com = (u_long)va_arg(args, long);
> + void * data = (void *)va_arg(args, long);
> + ret = ioctl(fd, com, data);
> + break;
> + }
> + case SYS_reboot:
> + ret = reboot(va_arg(args, int)); // opt
> + break;
> + case SYS_revoke:
> + ret = revoke(va_arg(args, const char *)); // path
> + break;
> + case SYS_symlink: {
> + const char * path = (const char *)va_arg(args, long);
> + const char * link = (const char *)va_arg(args, long);
> + ret = symlink(path, link);
> + break;
> + }
> + case SYS_readlink: {
> + const char * path = (const char *)va_arg(args, long);
> + char * buf = (char *)va_arg(args, long);
> + size_t count = (size_t)va_arg(args, long);
> + ret = readlink(path, buf, count);
> + break;
> + }
> + case SYS_execve: {
> + const char * path = (const char *)va_arg(args, long);
> + char *const * argp = (char *const *)va_arg(args, long);
> + char *const * envp = (char *const *)va_arg(args, long);
> + ret = execve(path, argp, envp);
> + break;
> + }
> + case SYS_umask:
> + ret = umask(va_arg(args, mode_t)); // newmask
> + break;
> + case SYS_chroot:
> + ret = chroot(va_arg(args, const char *)); // path
> + break;
> + case SYS_getfsstat: {
> + struct statfs * buf = (struct statfs *)va_arg(args, long);
> + size_t bufsize = (size_t)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = getfsstat(buf, bufsize, flags);
> + break;
> + }
> + case SYS_statfs: {
> + const char * path = (const char *)va_arg(args, long);
> + struct statfs * buf = (struct statfs *)va_arg(args, long);
> + ret = statfs(path, buf);
> + break;
> + }
> + case SYS_fstatfs: {
> + int fd = (int)va_arg(args, long);
> + struct statfs * buf = (struct statfs *)va_arg(args, long);
> + ret = fstatfs(fd, buf);
> + break;
> + }
> + case SYS_fhstatfs: {
> + const fhandle_t * fhp = (const fhandle_t *)va_arg(args, long);
> + struct statfs * buf = (struct statfs *)va_arg(args, long);
> + ret = fhstatfs(fhp, buf);
> + break;
> + }
> + case SYS_vfork:
> + ret = vfork();
> + break;
> + case SYS_gettimeofday: {
> + struct timeval * tp = (struct timeval *)va_arg(args, long);
> + struct timezone * tzp = (struct timezone *)va_arg(args, long);
> + ret = gettimeofday(tp, tzp);
> + break;
> + }
> + case SYS_settimeofday: {
> + const struct timeval * tv = (const struct timeval
> *)va_arg(args, long);
> + const struct timezone * tzp = (const struct timezone
> *)va_arg(args, long);
> + ret = settimeofday(tv, tzp);
> + break;
> + }
> + case SYS_setitimer: {
> + int which = (int)va_arg(args, long);
> + const struct itimerval * itv = (const struct itimerval
> *)va_arg(args, long);
> + struct itimerval * oitv = (struct itimerval *)va_arg(args,
> long);
> + ret = setitimer(which, itv, oitv);
> + break;
> + }
> + case SYS_getitimer: {
> + int which = (int)va_arg(args, long);
> + struct itimerval * itv = (struct itimerval *)va_arg(args, long);
> + ret = getitimer(which, itv);
> + break;
> + }
> + case SYS_select: {
> + int nd = (int)va_arg(args, long);
> + fd_set * in = (fd_set *)va_arg(args, long);
> + fd_set * ou = (fd_set *)va_arg(args, long);
> + fd_set * ex = (fd_set *)va_arg(args, long);
> + struct timeval * tv = (struct timeval *)va_arg(args, long);
> + ret = select(nd, in, ou, ex, tv);
> + break;
> + }
> + case SYS_kevent: {
> + int fd = (int)va_arg(args, long);
> + const struct kevent * changelist = (const struct kevent
> *)va_arg(args, long);
> + int nchanges = (int)va_arg(args, long);
> + struct kevent * eventlist = (struct kevent *)va_arg(args, long);
> + int nevents = (int)va_arg(args, long);
> + const struct timespec * timeout = (const struct timespec
> *)va_arg(args, long);
> + ret = kevent(fd, changelist, nchanges, eventlist, nevents,
> timeout);
> + break;
> + }
> + case SYS_munmap: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + ret = munmap(addr, len);
> + break;
> + }
> + case SYS_mprotect: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int prot = (int)va_arg(args, long);
> + ret = mprotect(addr, len, prot);
> + break;
> + }
> + case SYS_madvise: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int behav = (int)va_arg(args, long);
> + ret = madvise(addr, len, behav);
> + break;
> + }
> + case SYS_utimes: {
> + const char * path = (const char *)va_arg(args, long);
> + const struct timeval * tptr = (const struct timeval
> *)va_arg(args, long);
> + ret = utimes(path, tptr);
> + break;
> + }
> + case SYS_futimes: {
> + int fd = (int)va_arg(args, long);
> + const struct timeval * tptr = (const struct timeval
> *)va_arg(args, long);
> + ret = futimes(fd, tptr);
> + break;
> + }
> + case SYS_mquery: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int prot = (int)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + int fd = (int)va_arg(args, long);
> + off_t pos = (off_t)va_arg(args, long);
> + ret = (long)mquery(addr, len, prot, flags, fd, pos);
> + break;
> + }
> + case SYS_getgroups: {
> + int gidsetsize = (int)va_arg(args, long);
> + gid_t * gidset = (gid_t *)va_arg(args, long);
> + ret = getgroups(gidsetsize, gidset);
> + break;
> + }
> + case SYS_setgroups: {
> + int gidsetsize = (int)va_arg(args, long);
> + const gid_t * gidset = (const gid_t *)va_arg(args, long);
> + ret = setgroups(gidsetsize, gidset);
> + break;
> + }
> + case SYS_getpgrp:
> + ret = getpgrp();
> + break;
> + case SYS_setpgid: {
> + pid_t pid = (pid_t)va_arg(args, long);
> + pid_t pgid = (pid_t)va_arg(args, long);
> + ret = setpgid(pid, pgid);
> + break;
> + }
> + case SYS_futex: {
> + uint32_t * f = (uint32_t *)va_arg(args, long);
> + int op = (int)va_arg(args, long);
> + int val = (int)va_arg(args, long);
> + const struct timespec * timeout = (const struct timespec
> *)va_arg(args, long);
> + uint32_t * g = (uint32_t *)va_arg(args, long);
> + ret = futex(f, op, val, timeout, g);
> + break;
> + }
> + case SYS_utimensat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + const struct timespec * times = (const struct timespec
> *)va_arg(args, long);
> + int flag = (int)va_arg(args, long);
> + ret = utimensat(fd, path, times, flag);
> + break;
> + }
> + case SYS_futimens: {
> + int fd = (int)va_arg(args, long);
> + const struct timespec * times = (const struct timespec
> *)va_arg(args, long);
> + ret = futimens(fd, times);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS_kbind: {
> + * const struct __kbind * param = (const struct __kbind
> *)va_arg(args, long);
> + * size_t psize = (size_t)va_arg(args, long);
> + * int64_t proc_cookie = (int64_t)va_arg(args, long);
> + * ret = kbind(param, psize, proc_cookie);
> + * break;
> + *}
> + */
> + case SYS_clock_gettime: {
> + clockid_t clock_id = (clockid_t)va_arg(args, long);
> + struct timespec * tp = (struct timespec *)va_arg(args, long);
> + ret = clock_gettime(clock_id, tp);
> + break;
> + }
> + case SYS_clock_settime: {
> + clockid_t clock_id = (clockid_t)va_arg(args, long);
> + const struct timespec * tp = (const struct timespec
> *)va_arg(args, long);
> + ret = clock_settime(clock_id, tp);
> + break;
> + }
> + case SYS_clock_getres: {
> + clockid_t clock_id = (clockid_t)va_arg(args, long);
> + struct timespec * tp = (struct timespec *)va_arg(args, long);
> + ret = clock_getres(clock_id, tp);
> + break;
> + }
> + case SYS_dup2: {
> + int from = (int)va_arg(args, long);
> + int to = (int)va_arg(args, long);
> + ret = dup2(from, to);
> + break;
> + }
> + case SYS_nanosleep: {
> + const struct timespec * rqtp = (const struct timespec
> *)va_arg(args, long);
> + struct timespec * rmtp = (struct timespec *)va_arg(args, long);
> + ret = nanosleep(rqtp, rmtp);
> + break;
> + }
> + case SYS_fcntl: {
> + int fd = (int)va_arg(args, long);
> + int cmd = (int)va_arg(args, long);
> + void * arg = (void *)va_arg(args, long);
> + ret = fcntl(fd, cmd, arg);
> + break;
> + }
> + case SYS_accept4: {
> + int s = (int)va_arg(args, long);
> + struct sockaddr * name = (struct sockaddr *)va_arg(args, long);
> + socklen_t * anamelen = (socklen_t *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = accept4(s, name, anamelen, flags);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS___thrsleep: {
> + * const volatile void * ident = (const volatile void
> *)va_arg(args, long);
> + * clockid_t clock_id = (clockid_t)va_arg(args, long);
> + * const struct timespec * tp = (const struct timespec
> *)va_arg(args, long);
> + * void * lock = (void *)va_arg(args, long);
> + * const int * abort = (const int *)va_arg(args, long);
> + * ret = __thrsleep(ident, clock_id, tp, lock, abort);
> + * break;
> + *}
> + */
> + case SYS_fsync:
> + ret = fsync(va_arg(args, int)); // fd
> + break;
> + case SYS_setpriority: {
> + int which = (int)va_arg(args, long);
> + id_t who = (id_t)va_arg(args, long);
> + int prio = (int)va_arg(args, long);
> + ret = setpriority(which, who, prio);
> + break;
> + }
> + case SYS_socket: {
> + int domain = (int)va_arg(args, long);
> + int type = (int)va_arg(args, long);
> + int protocol = (int)va_arg(args, long);
> + ret = socket(domain, type, protocol);
> + break;
> + }
> + case SYS_connect: {
> + int s = (int)va_arg(args, long);
> + const struct sockaddr * name = (const struct sockaddr
> *)va_arg(args, long);
> + socklen_t namelen = (socklen_t)va_arg(args, long);
> + ret = connect(s, name, namelen);
> + break;
> + }
> + case SYS_getdents: {
> + int fd = (int)va_arg(args, long);
> + void * buf = (void *)va_arg(args, long);
> + size_t buflen = (size_t)va_arg(args, long);
> + ret = getdents(fd, buf, buflen);
> + break;
> + }
> + case SYS_getpriority: {
> + int which = (int)va_arg(args, long);
> + id_t who = (id_t)va_arg(args, long);
> + ret = getpriority(which, who);
> + break;
> + }
> + case SYS_pipe2: {
> + int * fdp = (int *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = pipe2(fdp, flags);
> + break;
> + }
> + case SYS_dup3: {
> + int from = (int)va_arg(args, long);
> + int to = (int)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = dup3(from, to, flags);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS_sigreturn:
> + * ret = sigreturn(va_arg(args, struct sigcontext *)); // sigcntxp
> + * break;
> + */
> + case SYS_bind: {
> + int s = (int)va_arg(args, long);
> + const struct sockaddr * name = (const struct sockaddr
> *)va_arg(args, long);
> + socklen_t namelen = (socklen_t)va_arg(args, long);
> + ret = bind(s, name, namelen);
> + break;
> + }
> + case SYS_setsockopt: {
> + int s = (int)va_arg(args, long);
> + int level = (int)va_arg(args, long);
> + int name = (int)va_arg(args, long);
> + const void * val = (const void *)va_arg(args, long);
> + socklen_t valsize = (socklen_t)va_arg(args, long);
> + ret = setsockopt(s, level, name, val, valsize);
> + break;
> + }
> + case SYS_listen: {
> + int s = (int)va_arg(args, long);
> + int backlog = (int)va_arg(args, long);
> + ret = listen(s, backlog);
> + break;
> + }
> + case SYS_chflagsat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + u_int flags = (u_int)va_arg(args, long);
> + int atflags = (int)va_arg(args, long);
> + ret = chflagsat(fd, path, flags, atflags);
> + break;
> + }
> + case SYS_pledge: {
> + const char * promises = (const char *)va_arg(args, long);
> + const char * execpromises = (const char *)va_arg(args, long);
> + ret = pledge(promises, execpromises);
> + break;
> + }
> + case SYS_ppoll: {
> + struct pollfd * fds = (struct pollfd *)va_arg(args, long);
> + u_int nfds = (u_int)va_arg(args, long);
> + const struct timespec * ts = (const struct timespec
> *)va_arg(args, long);
> + const sigset_t * mask = (const sigset_t *)va_arg(args, long);
> + ret = ppoll(fds, nfds, ts, mask);
> + break;
> + }
> + case SYS_pselect: {
> + int nd = (int)va_arg(args, long);
> + fd_set * in = (fd_set *)va_arg(args, long);
> + fd_set * ou = (fd_set *)va_arg(args, long);
> + fd_set * ex = (fd_set *)va_arg(args, long);
> + const struct timespec * ts = (const struct timespec
> *)va_arg(args, long);
> + const sigset_t * mask = (const sigset_t *)va_arg(args, long);
> + ret = pselect(nd, in, ou, ex, ts, mask);
> + break;
> + }
> + /* Mismatched func: int sigsuspend(const sigset_t *); <signal.h>
> + * int sigsuspend(int); <sys/syscall.h>
> + *case SYS_sigsuspend:
> + * ret = sigsuspend(va_arg(args, int)); // mask
> + * break;
> + */
> + case SYS_sendsyslog: {
> + const char * buf = (const char *)va_arg(args, long);
> + size_t nbyte = (size_t)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = sendsyslog(buf, nbyte, flags);
> + break;
> + }
> + case SYS_unveil: {
> + const char * path = (const char *)va_arg(args, long);
> + const char * permissions = (const char *)va_arg(args, long);
> + ret = unveil(path, permissions);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS___realpath: {
> + * const char * pathname = (const char *)va_arg(args, long);
> + * char * resolved = (char *)va_arg(args, long);
> + * ret = __realpath(pathname, resolved);
> + * break;
> + *}
> + */
> + case SYS_recvmmsg: {
> + int s = (int)va_arg(args, long);
> + struct mmsghdr * mmsg = (struct mmsghdr *)va_arg(args, long);
> + unsigned int vlen = (unsigned int)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + struct timespec * timeout = (struct timespec *)va_arg(args,
> long);
> + ret = recvmmsg(s, mmsg, vlen, flags, timeout);
> + break;
> + }
> + case SYS_sendmmsg: {
> + int s = (int)va_arg(args, long);
> + struct mmsghdr * mmsg = (struct mmsghdr *)va_arg(args, long);
> + unsigned int vlen = (unsigned int)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = sendmmsg(s, mmsg, vlen, flags);
> + break;
> + }
> + case SYS_getsockopt: {
> + int s = (int)va_arg(args, long);
> + int level = (int)va_arg(args, long);
> + int name = (int)va_arg(args, long);
> + void * val = (void *)va_arg(args, long);
> + socklen_t * avalsize = (socklen_t *)va_arg(args, long);
> + ret = getsockopt(s, level, name, val, avalsize);
> + break;
> + }
> + case SYS_thrkill: {
> + pid_t tid = (pid_t)va_arg(args, long);
> + int signum = (int)va_arg(args, long);
> + void * tcb = (void *)va_arg(args, long);
> + ret = thrkill(tid, signum, tcb);
> + break;
> + }
> + case SYS_readv: {
> + int fd = (int)va_arg(args, long);
> + const struct iovec * iovp = (const struct iovec *)va_arg(args,
> long);
> + int iovcnt = (int)va_arg(args, long);
> + ret = readv(fd, iovp, iovcnt);
> + break;
> + }
> + case SYS_writev: {
> + int fd = (int)va_arg(args, long);
> + const struct iovec * iovp = (const struct iovec *)va_arg(args,
> long);
> + int iovcnt = (int)va_arg(args, long);
> + ret = writev(fd, iovp, iovcnt);
> + break;
> + }
> + case SYS_kill: {
> + int pid = (int)va_arg(args, long);
> + int signum = (int)va_arg(args, long);
> + ret = kill(pid, signum);
> + break;
> + }
> + case SYS_fchown: {
> + int fd = (int)va_arg(args, long);
> + uid_t uid = (uid_t)va_arg(args, long);
> + gid_t gid = (gid_t)va_arg(args, long);
> + ret = fchown(fd, uid, gid);
> + break;
> + }
> + case SYS_fchmod: {
> + int fd = (int)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = fchmod(fd, mode);
> + break;
> + }
> + case SYS_setreuid: {
> + uid_t ruid = (uid_t)va_arg(args, long);
> + uid_t euid = (uid_t)va_arg(args, long);
> + ret = setreuid(ruid, euid);
> + break;
> + }
> + case SYS_setregid: {
> + gid_t rgid = (gid_t)va_arg(args, long);
> + gid_t egid = (gid_t)va_arg(args, long);
> + ret = setregid(rgid, egid);
> + break;
> + }
> + case SYS_rename: {
> + const char * from = (const char *)va_arg(args, long);
> + const char * to = (const char *)va_arg(args, long);
> + ret = rename(from, to);
> + break;
> + }
> + case SYS_flock: {
> + int fd = (int)va_arg(args, long);
> + int how = (int)va_arg(args, long);
> + ret = flock(fd, how);
> + break;
> + }
> + case SYS_mkfifo: {
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = mkfifo(path, mode);
> + break;
> + }
> + case SYS_sendto: {
> + int s = (int)va_arg(args, long);
> + const void * buf = (const void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + const struct sockaddr * to = (const struct sockaddr
> *)va_arg(args, long);
> + socklen_t tolen = (socklen_t)va_arg(args, long);
> + ret = sendto(s, buf, len, flags, to, tolen);
> + break;
> + }
> + case SYS_shutdown: {
> + int s = (int)va_arg(args, long);
> + int how = (int)va_arg(args, long);
> + ret = shutdown(s, how);
> + break;
> + }
> + case SYS_socketpair: {
> + int domain = (int)va_arg(args, long);
> + int type = (int)va_arg(args, long);
> + int protocol = (int)va_arg(args, long);
> + int * rsv = (int *)va_arg(args, long);
> + ret = socketpair(domain, type, protocol, rsv);
> + break;
> + }
> + case SYS_mkdir: {
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = mkdir(path, mode);
> + break;
> + }
> + case SYS_rmdir:
> + ret = rmdir(va_arg(args, const char *)); // path
> + break;
> + case SYS_adjtime: {
> + const struct timeval * delta = (const struct timeval
> *)va_arg(args, long);
> + struct timeval * olddelta = (struct timeval *)va_arg(args,
> long);
> + ret = adjtime(delta, olddelta);
> + break;
> + }
> + /* Mismatched func: int getlogin_r(char *, size_t); <unistd.h>
> + * int getlogin_r(char *, u_int); <sys/syscall.h>
> + *case SYS_getlogin_r: {
> + * char * namebuf = (char *)va_arg(args, long);
> + * u_int namelen = (u_int)va_arg(args, long);
> + * ret = getlogin_r(namebuf, namelen);
> + * break;
> + *}
> + */
> + case SYS_getthrname: {
> + pid_t tid = (pid_t)va_arg(args, long);
> + char * name = (char *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + ret = getthrname(tid, name, len);
> + break;
> + }
> + case SYS_setthrname: {
> + pid_t tid = (pid_t)va_arg(args, long);
> + const char * name = (const char *)va_arg(args, long);
> + ret = setthrname(tid, name);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS_pinsyscall: {
> + * int syscall = (int)va_arg(args, long);
> + * void * addr = (void *)va_arg(args, long);
> + * size_t len = (size_t)va_arg(args, long);
> + * ret = pinsyscall(syscall, addr, len);
> + * break;
> + *}
> + */
> + case SYS_setsid:
> + ret = setsid();
> + break;
> + case SYS_quotactl: {
> + const char * path = (const char *)va_arg(args, long);
> + int cmd = (int)va_arg(args, long);
> + int uid = (int)va_arg(args, long);
> + char * arg = (char *)va_arg(args, long);
> + ret = quotactl(path, cmd, uid, arg);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS_ypconnect:
> + * ret = ypconnect(va_arg(args, int)); // type
> + * break;
> + */
> + case SYS_nfssvc: {
> + int flag = (int)va_arg(args, long);
> + void * argp = (void *)va_arg(args, long);
> + ret = nfssvc(flag, argp);
> + break;
> + }
> + case SYS_mimmutable: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + ret = mimmutable(addr, len);
> + break;
> + }
> + case SYS_waitid: {
> + int idtype = (int)va_arg(args, long);
> + id_t id = (id_t)va_arg(args, long);
> + siginfo_t * info = (siginfo_t *)va_arg(args, long);
> + int options = (int)va_arg(args, long);
> + ret = waitid(idtype, id, info, options);
> + break;
> + }
> + case SYS_getfh: {
> + const char * fname = (const char *)va_arg(args, long);
> + fhandle_t * fhp = (fhandle_t *)va_arg(args, long);
> + ret = getfh(fname, fhp);
> + break;
> + }
> + /* No signature found in headers
> + *case SYS___tmpfd:
> + * ret = __tmpfd(va_arg(args, int)); // flags
> + * break;
> + */
> + /* No signature found in headers
> + *case SYS_sysarch: {
> + * int op = (int)va_arg(args, long);
> + * void * parms = (void *)va_arg(args, long);
> + * ret = sysarch(op, parms);
> + * break;
> + *}
> + */
> + case SYS_lseek: {
> + int fd = (int)va_arg(args, long);
> + off_t offset = (off_t)va_arg(args, long);
> + int whence = (int)va_arg(args, long);
> + ret = lseek(fd, offset, whence);
> + break;
> + }
> + case SYS_truncate: {
> + const char * path = (const char *)va_arg(args, long);
> + off_t length = (off_t)va_arg(args, long);
> + ret = truncate(path, length);
> + break;
> + }
> + case SYS_ftruncate: {
> + int fd = (int)va_arg(args, long);
> + off_t length = (off_t)va_arg(args, long);
> + ret = ftruncate(fd, length);
> + break;
> + }
> + case SYS_pread: {
> + int fd = (int)va_arg(args, long);
> + void * buf = (void *)va_arg(args, long);
> + size_t nbyte = (size_t)va_arg(args, long);
> + off_t offset = (off_t)va_arg(args, long);
> + ret = pread(fd, buf, nbyte, offset);
> + break;
> + }
> + case SYS_pwrite: {
> + int fd = (int)va_arg(args, long);
> + const void * buf = (const void *)va_arg(args, long);
> + size_t nbyte = (size_t)va_arg(args, long);
> + off_t offset = (off_t)va_arg(args, long);
> + ret = pwrite(fd, buf, nbyte, offset);
> + break;
> + }
> + case SYS_preadv: {
> + int fd = (int)va_arg(args, long);
> + const struct iovec * iovp = (const struct iovec *)va_arg(args,
> long);
> + int iovcnt = (int)va_arg(args, long);
> + off_t offset = (off_t)va_arg(args, long);
> + ret = preadv(fd, iovp, iovcnt, offset);
> + break;
> + }
> + case SYS_pwritev: {
> + int fd = (int)va_arg(args, long);
> + const struct iovec * iovp = (const struct iovec *)va_arg(args,
> long);
> + int iovcnt = (int)va_arg(args, long);
> + off_t offset = (off_t)va_arg(args, long);
> + ret = pwritev(fd, iovp, iovcnt, offset);
> + break;
> + }
> + case SYS_setgid:
> + ret = setgid(va_arg(args, gid_t)); // gid
> + break;
> + case SYS_setegid:
> + ret = setegid(va_arg(args, gid_t)); // egid
> + break;
> + case SYS_seteuid:
> + ret = seteuid(va_arg(args, uid_t)); // euid
> + break;
> + case SYS_pathconf: {
> + const char * path = (const char *)va_arg(args, long);
> + int name = (int)va_arg(args, long);
> + ret = pathconf(path, name);
> + break;
> + }
> + case SYS_fpathconf: {
> + int fd = (int)va_arg(args, long);
> + int name = (int)va_arg(args, long);
> + ret = fpathconf(fd, name);
> + break;
> + }
> + case SYS_swapctl: {
> + int cmd = (int)va_arg(args, long);
> + const void * arg = (const void *)va_arg(args, long);
> + int misc = (int)va_arg(args, long);
> + ret = swapctl(cmd, arg, misc);
> + break;
> + }
> + case SYS_getrlimit: {
> + int which = (int)va_arg(args, long);
> + struct rlimit * rlp = (struct rlimit *)va_arg(args, long);
> + ret = getrlimit(which, rlp);
> + break;
> + }
> + case SYS_setrlimit: {
> + int which = (int)va_arg(args, long);
> + const struct rlimit * rlp = (const struct rlimit *)va_arg(args,
> long);
> + ret = setrlimit(which, rlp);
> + break;
> + }
> + case SYS_sysctl: {
> + const int * name = (const int *)va_arg(args, long);
> + u_int namelen = (u_int)va_arg(args, long);
> + void * old = (void *)va_arg(args, long);
> + size_t * oldlenp = (size_t *)va_arg(args, long);
> + void * new = (void *)va_arg(args, long);
> + size_t newlen = (size_t)va_arg(args, long);
> + ret = sysctl(name, namelen, old, oldlenp, new, newlen);
> + break;
> + }
> + case SYS_mlock: {
> + const void * addr = (const void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + ret = mlock(addr, len);
> + break;
> + }
> + case SYS_munlock: {
> + const void * addr = (const void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + ret = munlock(addr, len);
> + break;
> + }
> + case SYS_getpgid:
> + ret = getpgid(va_arg(args, pid_t)); // pid
> + break;
> + case SYS_utrace: {
> + const char * label = (const char *)va_arg(args, long);
> + const void * addr = (const void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + ret = utrace(label, addr, len);
> + break;
> + }
> + case SYS_semget: {
> + key_t key = (key_t)va_arg(args, long);
> + int nsems = (int)va_arg(args, long);
> + int semflg = (int)va_arg(args, long);
> + ret = semget(key, nsems, semflg);
> + break;
> + }
> + case SYS_msgget: {
> + key_t key = (key_t)va_arg(args, long);
> + int msgflg = (int)va_arg(args, long);
> + ret = msgget(key, msgflg);
> + break;
> + }
> + case SYS_msgsnd: {
> + int msqid = (int)va_arg(args, long);
> + const void * msgp = (const void *)va_arg(args, long);
> + size_t msgsz = (size_t)va_arg(args, long);
> + int msgflg = (int)va_arg(args, long);
> + ret = msgsnd(msqid, msgp, msgsz, msgflg);
> + break;
> + }
> + case SYS_msgrcv: {
> + int msqid = (int)va_arg(args, long);
> + void * msgp = (void *)va_arg(args, long);
> + size_t msgsz = (size_t)va_arg(args, long);
> + long msgtyp = (long)va_arg(args, long);
> + int msgflg = (int)va_arg(args, long);
> + ret = msgrcv(msqid, msgp, msgsz, msgtyp, msgflg);
> + break;
> + }
> + case SYS_shmat: {
> + int shmid = (int)va_arg(args, long);
> + const void * shmaddr = (const void *)va_arg(args, long);
> + int shmflg = (int)va_arg(args, long);
> + ret = (long)shmat(shmid, shmaddr, shmflg);
> + break;
> + }
> + case SYS_shmdt:
> + ret = shmdt(va_arg(args, const void *)); // shmaddr
> + break;
> + case SYS_minherit: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int inherit = (int)va_arg(args, long);
> + ret = minherit(addr, len, inherit);
> + break;
> + }
> + case SYS_poll: {
> + struct pollfd * fds = (struct pollfd *)va_arg(args, long);
> + u_int nfds = (u_int)va_arg(args, long);
> + int timeout = (int)va_arg(args, long);
> + ret = poll(fds, nfds, timeout);
> + break;
> + }
> + case SYS_issetugid:
> + ret = issetugid();
> + break;
> + case SYS_lchown: {
> + const char * path = (const char *)va_arg(args, long);
> + uid_t uid = (uid_t)va_arg(args, long);
> + gid_t gid = (gid_t)va_arg(args, long);
> + ret = lchown(path, uid, gid);
> + break;
> + }
> + case SYS_getsid:
> + ret = getsid(va_arg(args, pid_t)); // pid
> + break;
> + case SYS_msync: {
> + void * addr = (void *)va_arg(args, long);
> + size_t len = (size_t)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = msync(addr, len, flags);
> + break;
> + }
> + case SYS_pipe:
> + ret = pipe(va_arg(args, int *)); // fdp
> + break;
> + case SYS_fhopen: {
> + const fhandle_t * fhp = (const fhandle_t *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + ret = fhopen(fhp, flags);
> + break;
> + }
> + case SYS_kqueue:
> + ret = kqueue();
> + break;
> + case SYS_mlockall:
> + ret = mlockall(va_arg(args, int)); // flags
> + break;
> + case SYS_munlockall:
> + ret = munlockall();
> + break;
> + case SYS_getresuid: {
> + uid_t * ruid = (uid_t *)va_arg(args, long);
> + uid_t * euid = (uid_t *)va_arg(args, long);
> + uid_t * suid = (uid_t *)va_arg(args, long);
> + ret = getresuid(ruid, euid, suid);
> + break;
> + }
> + case SYS_setresuid: {
> + uid_t ruid = (uid_t)va_arg(args, long);
> + uid_t euid = (uid_t)va_arg(args, long);
> + uid_t suid = (uid_t)va_arg(args, long);
> + ret = setresuid(ruid, euid, suid);
> + break;
> + }
> + case SYS_getresgid: {
> + gid_t * rgid = (gid_t *)va_arg(args, long);
> + gid_t * egid = (gid_t *)va_arg(args, long);
> + gid_t * sgid = (gid_t *)va_arg(args, long);
> + ret = getresgid(rgid, egid, sgid);
> + break;
> + }
> + case SYS_setresgid: {
> + gid_t rgid = (gid_t)va_arg(args, long);
> + gid_t egid = (gid_t)va_arg(args, long);
> + gid_t sgid = (gid_t)va_arg(args, long);
> + ret = setresgid(rgid, egid, sgid);
> + break;
> + }
> + case SYS_closefrom:
> + ret = closefrom(va_arg(args, int)); // fd
> + break;
> + case SYS_sigaltstack: {
> + const struct sigaltstack * nss = (const struct sigaltstack
> *)va_arg(args, long);
> + struct sigaltstack * oss = (struct sigaltstack *)va_arg(args,
> long);
> + ret = sigaltstack(nss, oss);
> + break;
> + }
> + case SYS_shmget: {
> + key_t key = (key_t)va_arg(args, long);
> + size_t size = (size_t)va_arg(args, long);
> + int shmflg = (int)va_arg(args, long);
> + ret = shmget(key, size, shmflg);
> + break;
> + }
> + case SYS_semop: {
> + int semid = (int)va_arg(args, long);
> + struct sembuf * sops = (struct sembuf *)va_arg(args, long);
> + size_t nsops = (size_t)va_arg(args, long);
> + ret = semop(semid, sops, nsops);
> + break;
> + }
> + case SYS_fhstat: {
> + const fhandle_t * fhp = (const fhandle_t *)va_arg(args, long);
> + struct stat * sb = (struct stat *)va_arg(args, long);
> + ret = fhstat(fhp, sb);
> + break;
> + }
> + case SYS___semctl: {
> + int semid = (int)va_arg(args, long);
> + int semnum = (int)va_arg(args, long);
> + int cmd = (int)va_arg(args, long);
> + union semun * arg = (union semun *)va_arg(args, long);
> + ret = __semctl(semid, semnum, cmd, arg);
> + break;
> + }
> + case SYS_shmctl: {
> + int shmid = (int)va_arg(args, long);
> + int cmd = (int)va_arg(args, long);
> + struct shmid_ds * buf = (struct shmid_ds *)va_arg(args, long);
> + ret = shmctl(shmid, cmd, buf);
> + break;
> + }
> + case SYS_msgctl: {
> + int msqid = (int)va_arg(args, long);
> + int cmd = (int)va_arg(args, long);
> + struct msqid_ds * buf = (struct msqid_ds *)va_arg(args, long);
> + ret = msgctl(msqid, cmd, buf);
> + break;
> + }
> + case SYS_sched_yield:
> + ret = sched_yield();
> + break;
> + case SYS_getthrid:
> + ret = getthrid();
> + break;
> + /* No signature found in headers
> + *case SYS___thrwakeup: {
> + * const volatile void * ident = (const volatile void
> *)va_arg(args, long);
> + * int n = (int)va_arg(args, long);
> + * ret = __thrwakeup(ident, n);
> + * break;
> + *}
> + */
> + /* No signature found in headers
> + *case SYS___threxit:
> + * __threxit(va_arg(args, pid_t *)); // notdead
> + * break;
> + */
> + /* No signature found in headers
> + *case SYS___thrsigdivert: {
> + * sigset_t sigmask = (sigset_t)va_arg(args, long);
> + * siginfo_t * info = (siginfo_t *)va_arg(args, long);
> + * const struct timespec * timeout = (const struct timespec
> *)va_arg(args, long);
> + * ret = __thrsigdivert(sigmask, info, timeout);
> + * break;
> + *}
> + */
> + /* No signature found in headers
> + *case SYS___getcwd: {
> + * char * buf = (char *)va_arg(args, long);
> + * size_t len = (size_t)va_arg(args, long);
> + * ret = __getcwd(buf, len);
> + * break;
> + *}
> + */
> + case SYS_adjfreq: {
> + const int64_t * freq = (const int64_t *)va_arg(args, long);
> + int64_t * oldfreq = (int64_t *)va_arg(args, long);
> + ret = adjfreq(freq, oldfreq);
> + break;
> + }
> + case SYS_setrtable:
> + ret = setrtable(va_arg(args, int)); // rtableid
> + break;
> + case SYS_getrtable:
> + ret = getrtable();
> + break;
> + case SYS_faccessat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + int amode = (int)va_arg(args, long);
> + int flag = (int)va_arg(args, long);
> + ret = faccessat(fd, path, amode, flag);
> + break;
> + }
> + case SYS_fchmodat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + int flag = (int)va_arg(args, long);
> + ret = fchmodat(fd, path, mode, flag);
> + break;
> + }
> + case SYS_fchownat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + uid_t uid = (uid_t)va_arg(args, long);
> + gid_t gid = (gid_t)va_arg(args, long);
> + int flag = (int)va_arg(args, long);
> + ret = fchownat(fd, path, uid, gid, flag);
> + break;
> + }
> + case SYS_linkat: {
> + int fd1 = (int)va_arg(args, long);
> + const char * path1 = (const char *)va_arg(args, long);
> + int fd2 = (int)va_arg(args, long);
> + const char * path2 = (const char *)va_arg(args, long);
> + int flag = (int)va_arg(args, long);
> + ret = linkat(fd1, path1, fd2, path2, flag);
> + break;
> + }
> + case SYS_mkdirat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = mkdirat(fd, path, mode);
> + break;
> + }
> + case SYS_mkfifoat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = mkfifoat(fd, path, mode);
> + break;
> + }
> + case SYS_mknodat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + dev_t dev = (dev_t)va_arg(args, long);
> + ret = mknodat(fd, path, mode, dev);
> + break;
> + }
> + case SYS_openat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + int flags = (int)va_arg(args, long);
> + mode_t mode = (mode_t)va_arg(args, long);
> + ret = openat(fd, path, flags, mode);
> + break;
> + }
> + case SYS_readlinkat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + char * buf = (char *)va_arg(args, long);
> + size_t count = (size_t)va_arg(args, long);
> + ret = readlinkat(fd, path, buf, count);
> + break;
> + }
> + case SYS_renameat: {
> + int fromfd = (int)va_arg(args, long);
> + const char * from = (const char *)va_arg(args, long);
> + int tofd = (int)va_arg(args, long);
> + const char * to = (const char *)va_arg(args, long);
> + ret = renameat(fromfd, from, tofd, to);
> + break;
> + }
> + case SYS_symlinkat: {
> + const char * path = (const char *)va_arg(args, long);
> + int fd = (int)va_arg(args, long);
> + const char * link = (const char *)va_arg(args, long);
> + ret = symlinkat(path, fd, link);
> + break;
> + }
> + case SYS_unlinkat: {
> + int fd = (int)va_arg(args, long);
> + const char * path = (const char *)va_arg(args, long);
> + int flag = (int)va_arg(args, long);
> + ret = unlinkat(fd, path, flag);
> + break;
> + }
> + case SYS___set_tcb:
> + __set_tcb(va_arg(args, void *)); // tcb
> + break;
> + case SYS___get_tcb:
> + ret = (long)__get_tcb();
> + break;
> + default:
> + ret = -1;
> + errno = ENOSYS;
> + }
> + va_end(args);
> +
> + return ret;
> +}
> Index: gnu/usr.bin/perl/syscall_emulator.h
> ===================================================================
> RCS file: gnu/usr.bin/perl/syscall_emulator.h
> diff -N gnu/usr.bin/perl/syscall_emulator.h
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ gnu/usr.bin/perl/syscall_emulator.h 3 Aug 2023 04:34:43 -0000
> @@ -0,0 +1 @@
> +long syscall_emulator(int, ...);
> Index: gnu/usr.bin/perl/t/op/syscall_emulator.t
> ===================================================================
> RCS file: gnu/usr.bin/perl/t/op/syscall_emulator.t
> diff -N gnu/usr.bin/perl/t/op/syscall_emulator.t
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ gnu/usr.bin/perl/t/op/syscall_emulator.t 3 Aug 2023 04:34:43 -0000
> @@ -0,0 +1,146 @@
> +#!/usr/bin/perl
> +# $OpenBSD$ #
> +
> +# Copyright (c) 2023 Andrew Hewus Fresh <[email protected]>
> +#
> +# Permission to use, copy, modify, and distribute this software for any
> +# purpose with or without fee is hereby granted, provided that the above
> +# copyright notice and this permission notice appear in all copies.
> +#
> +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
> +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
> +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
> +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
> +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
> +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
> +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
> +
> +BEGIN {
> + chdir 't' if -d 't';
> + require "./test.pl";
> + set_up_inc( qw(. ../lib lib ../dist/base/lib) );
> +}
> +
> +use v5.36;
> +
> +use File::Temp;
> +use POSIX qw< S_IRUSR S_IWUSR S_IRGRP S_IROTH O_CREAT O_WRONLY O_RDONLY >;
> +
> +use constant {
> + PROT_READ => 0x01,
> + MAP_PRIVATE => 0x0002,
> + MAP_FAILED => -1,
> +};
> +
> +my $dir = File::Temp->newdir("syscall_emulator-XXXXXXXXX");
> +{
> + local $ENV{PERL5LIB} = join ':', @INC;
> + system($^X, "../utils/h2ph", '-d', $dir,
> + "/usr/include/sys/syscall.h");
> + local @INC = ("$dir/usr/include", "$dir");
> + require 'sys/syscall.ph';
> +}
> +
> +my $filename = "test.txt";
> +my $file = "$dir/$filename";
> +my $fd;
> +my $out = "Hello World\n";
> +my $in = "\0" x 32;
> +my ($in_p, $in_v);
> +my $sb = "\0" x 4096;
> +my $st_mode;
> +
> +my $perms = S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH;
> +
> +plan tests => 17;
> +
> +ok(!
> + (($fd = syscall(SYS_open(), $file, O_CREAT|O_WRONLY, $perms)) < 0),
> + "Opened $filename for write/create"
> +);
> +ok(!
> + (syscall(SYS_write(), $fd, $out, length $out) <= 0),
> + "Wrote out to $filename"
> +);
> +ok(!
> + (syscall(SYS_close(), $fd) != 0),
> + "closed $filename"
> +);
> +
> +
> +ok(!
> + (syscall(SYS_stat(), $file, $sb) != 0),
> + "stat $filename"
> +);
> +
> +# fortunately st_mode is the first unsigned long in stat struct
> +$st_mode = unpack "L", $sb;
> +
> +ok( ($st_mode & 0777) == ($perms & 0777),
> + sprintf "new file %s has correct permissions (%o)",
> + $filename, $st_mode & 0777
> +);
> +
> +ok(!
> + (($fd = syscall(SYS_open(), $file, O_RDONLY)) < 0),
> + "Opened $filename for read"
> +);
> +ok(!
> + (syscall(SYS_read(), $fd, $in, length $in) <= 0),
> + "read from $filename"
> +);
> +
> +$in = unpack 'Z*', $in;
> +
> +ok( length($in) == length($out) && ($in eq $out),
> + "Read written content from $filename"
> +);
> +
> +ok(!
> + (syscall(SYS_lseek(), $fd, 0, SEEK_SET) < 0),
> + "lseek on fd"
> +);
> +
> +ok(!
> + (syscall(SYS_pread(), $fd, $in = "\0" x 32, 5, 3) < 0),
> + "pread on fd"
> +);
> +
> +$in = unpack 'Z*', $in;
> +
> +ok( length($in) == 5 && ($in eq substr $out, 3, 5),
> + "Read written content from $filename ($in)"
> +);
> +
> +ok(!
> + (syscall(SYS_lseek(), $fd, 0, SEEK_SET) < 0),
> + "lseek on fd"
> +);
> +
> +ok(!
> + (syscall(SYS_lseek(), $fd, 0, SEEK_SET) < 0),
> + "lseek on fd"
> +);
> +
> +ok(!
> + (($in_p = syscall(SYS_mmap(), undef, length($out), PROT_READ,
> MAP_PRIVATE,
> + $fd, 0)) == MAP_FAILED),
> + "mmap fd"
> +);
> +
> +# From ingy's Pointer module
> +$in_v = unpack "p*", pack "L!", $in_p;
> +
> +ok( length($in_v) == length($out) && ($in_v eq $out),
> + "Read written content from $filename"
> +);
> +
> +ok(!
> + (syscall(SYS_munmap(), $in_p, length($out)) != 0),
> + "munmap fd"
> +);
> +
> +ok(!
> + (syscall(SYS_close(), $fd) != 0),
> + "closed $filename"
> +);
