go.sys/unix: use "use" in syscall interface

LGTM=iant
R=golang-codereviews, iant
CC=golang-codereviews
https://golang.org/cl/144980043

unix/asm.s

@@ -0,0 +1,8 @@
+// Copyright 2014 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.
+
+#include "textflag.h"
+
+TEXT ·use(SB),NOSPLIT,$0
+	RET

unix/mksyscall.pl

@@ -127,6 +127,7 @@ while(<>) {
 
 	# Prepare arguments to Syscall.
 	my @args = ();
+	my @uses = ();
 	my $n = 0;
 	foreach my $p (@in) {
 		my ($name, $type) = parseparam($p);
@@ -137,12 +138,14 @@ while(<>) {
 			$text .= "\t_p$n, $errvar = BytePtrFromString($name)\n";
 			$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
 			push @args, "uintptr(unsafe.Pointer(_p$n))";
+			push @uses, "use(unsafe.Pointer(_p$n))";
 			$n++;
 		} elsif($type eq "string") {
 			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
 			$text .= "\tvar _p$n *byte\n";
 			$text .= "\t_p$n, _ = BytePtrFromString($name)\n";
 			push @args, "uintptr(unsafe.Pointer(_p$n))";
+			push @uses, "use(unsafe.Pointer(_p$n))";
 			$n++;
 		} elsif($type =~ /^\[\](.*)/) {
 			# Convert slice into pointer, length.
@@ -270,6 +273,9 @@ while(<>) {
 	} else {
 		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
 	}
+	foreach my $use (@uses) {
+		$text .= "\t$use\n";
+	}
 	$text .= $body;
 	
 	if ($plan9 && $ret[2] eq "e1") {

unix/mksyscall_solaris.pl

@@ -72,9 +72,6 @@ while(<>) {
 	my $nonblock = /^\/\/sysnb /;
 	next if !/^\/\/sys / && !$nonblock;
 
-	my $syscalldot = "";
-	$syscalldot = "syscall." if $package ne "syscall";
-
 	# Line must be of the form
 	#	func Open(path string, mode int, perm int) (fd int, err error)
 	# Split into name, in params, out params.
@@ -96,7 +93,7 @@ while(<>) {
 	my $modvname = "mod$modname";
 	if($modnames !~ /$modname/) {
 		$modnames .= ".$modname";
-		$mods .= "\t$modvname = ${syscalldot}newLazySO(\"$modname.so\")\n";
+		$mods .= "\t$modvname = newLazySO(\"$modname.so\")\n";
 	}
 
 	# System call name.
@@ -136,8 +133,8 @@ while(<>) {
 
 	# Prepare arguments to Syscall.
 	my @args = ();
+	my @uses = ();
 	my $n = 0;
-	my @pin= ();
 	foreach my $p (@in) {
 		my ($name, $type) = parseparam($p);
 		if($type =~ /^\*/) {
@@ -147,12 +144,14 @@ while(<>) {
 			$text .= "\t_p$n, $errvar = $strconvfunc($name)\n";
 			$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
 			push @args, "uintptr(unsafe.Pointer(_p$n))";
+			push @uses, "use(unsafe.Pointer(_p$n))";
 			$n++;
 		} elsif($type eq "string") {
 			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
 			$text .= "\tvar _p$n $strconvtype\n";
 			$text .= "\t_p$n, _ = $strconvfunc($name)\n";
 			push @args, "uintptr(unsafe.Pointer(_p$n))";
+			push @uses, "use(unsafe.Pointer(_p$n))";
 			$n++;
 		} elsif($type =~ /^\[\](.*)/) {
 			# Convert slice into pointer, length.
@@ -176,14 +175,13 @@ while(<>) {
 		} else {
 			push @args, "uintptr($name)";
 		}
-		push @pin, sprintf "\"%s=\", %s, ", $name, $name;
 	}
 	my $nargs = @args;
 
 	# Determine which form to use; pad args with zeros.
-	my $asm = "${syscalldot}sysvicall6";
+	my $asm = "sysvicall6";
 	if ($nonblock) {
-		$asm = "${syscalldot}rawSysvicall6";
+		$asm = "rawSysvicall6";
 	}
 	if(@args <= 6) {
 		while(@args < 6) {
@@ -240,6 +238,9 @@ while(<>) {
 	} else {
 		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
 	}
+	foreach my $use (@uses) {
+		$text .= "\t$use\n";
+	}
 	$text .= $body;
 
 	if ($do_errno) {

unix/syscall.go

@@ -21,6 +21,8 @@
 // holds a value of type syscall.Errno.
 package unix
 
+import "unsafe"
+
 // ByteSliceFromString returns a NUL-terminated slice of bytes
 // containing the text of s. If s contains a NUL byte at any
 // location, it returns (nil, EINVAL).
@@ -65,3 +67,8 @@ func (ts *Timespec) Nano() int64 {
 func (tv *Timeval) Nano() int64 {
 	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
 }
+
+// use is a no-op, but the compiler cannot see that it is.
+// Calling use(p) ensures that p is kept live until that point.
+//go:noescape
+func use(p unsafe.Pointer)

unix/zerrors_darwin_amd64.go

@@ -30,7 +30,7 @@ const (
 	AF_LAT                            = 0xe
 	AF_LINK                           = 0x12
 	AF_LOCAL                          = 0x1
-	AF_MAX                            = 0x26
+	AF_MAX                            = 0x28
 	AF_NATM                           = 0x1f
 	AF_NDRV                           = 0x1b
 	AF_NETBIOS                        = 0x21
@@ -45,6 +45,7 @@ const (
 	AF_SYSTEM                         = 0x20
 	AF_UNIX                           = 0x1
 	AF_UNSPEC                         = 0x0
+	AF_UTUN                           = 0x26
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200
@@ -83,6 +84,7 @@ const (
 	BIOCSBLEN                         = 0xc0044266
 	BIOCSDLT                          = 0x80044278
 	BIOCSETF                          = 0x80104267
+	BIOCSETFNR                        = 0x8010427e
 	BIOCSETIF                         = 0x8020426c
 	BIOCSHDRCMPLT                     = 0x80044275
 	BIOCSRSIG                         = 0x80044273
@@ -149,33 +151,168 @@ const (
 	CSUSP                             = 0x1a
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
+	DLT_A429                          = 0xb8
+	DLT_A653_ICM                      = 0xb9
+	DLT_AIRONET_HEADER                = 0x78
+	DLT_AOS                           = 0xde
 	DLT_APPLE_IP_OVER_IEEE1394        = 0x8a
 	DLT_ARCNET                        = 0x7
+	DLT_ARCNET_LINUX                  = 0x81
 	DLT_ATM_CLIP                      = 0x13
 	DLT_ATM_RFC1483                   = 0xb
+	DLT_AURORA                        = 0x7e
 	DLT_AX25                          = 0x3
+	DLT_AX25_KISS                     = 0xca
+	DLT_BACNET_MS_TP                  = 0xa5
+	DLT_BLUETOOTH_HCI_H4              = 0xbb
+	DLT_BLUETOOTH_HCI_H4_WITH_PHDR    = 0xc9
+	DLT_CAN20B                        = 0xbe
+	DLT_CAN_SOCKETCAN                 = 0xe3
 	DLT_CHAOS                         = 0x5
 	DLT_CHDLC                         = 0x68
+	DLT_CISCO_IOS                     = 0x76
 	DLT_C_HDLC                        = 0x68
+	DLT_C_HDLC_WITH_DIR               = 0xcd
+	DLT_DBUS                          = 0xe7
+	DLT_DECT                          = 0xdd
+	DLT_DOCSIS                        = 0x8f
+	DLT_DVB_CI                        = 0xeb
+	DLT_ECONET                        = 0x73
 	DLT_EN10MB                        = 0x1
 	DLT_EN3MB                         = 0x2
+	DLT_ENC                           = 0x6d
+	DLT_ERF                           = 0xc5
+	DLT_ERF_ETH                       = 0xaf
+	DLT_ERF_POS                       = 0xb0
+	DLT_FC_2                          = 0xe0
+	DLT_FC_2_WITH_FRAME_DELIMS        = 0xe1
 	DLT_FDDI                          = 0xa
+	DLT_FLEXRAY                       = 0xd2
+	DLT_FRELAY                        = 0x6b
+	DLT_FRELAY_WITH_DIR               = 0xce
+	DLT_GCOM_SERIAL                   = 0xad
+	DLT_GCOM_T1E1                     = 0xac
+	DLT_GPF_F                         = 0xab
+	DLT_GPF_T                         = 0xaa
+	DLT_GPRS_LLC                      = 0xa9
+	DLT_GSMTAP_ABIS                   = 0xda
+	DLT_GSMTAP_UM                     = 0xd9
+	DLT_HHDLC                         = 0x79
+	DLT_IBM_SN                        = 0x92
+	DLT_IBM_SP                        = 0x91
 	DLT_IEEE802                       = 0x6
 	DLT_IEEE802_11                    = 0x69
 	DLT_IEEE802_11_RADIO              = 0x7f
 	DLT_IEEE802_11_RADIO_AVS          = 0xa3
+	DLT_IEEE802_15_4                  = 0xc3
+	DLT_IEEE802_15_4_LINUX            = 0xbf
+	DLT_IEEE802_15_4_NOFCS            = 0xe6
+	DLT_IEEE802_15_4_NONASK_PHY       = 0xd7
+	DLT_IEEE802_16_MAC_CPS            = 0xbc
+	DLT_IEEE802_16_MAC_CPS_RADIO      = 0xc1
+	DLT_IPFILTER                      = 0x74
+	DLT_IPMB                          = 0xc7
+	DLT_IPMB_LINUX                    = 0xd1
+	DLT_IPNET                         = 0xe2
+	DLT_IPOIB                         = 0xf2
+	DLT_IPV4                          = 0xe4
+	DLT_IPV6                          = 0xe5
+	DLT_IP_OVER_FC                    = 0x7a
+	DLT_JUNIPER_ATM1                  = 0x89
+	DLT_JUNIPER_ATM2                  = 0x87
+	DLT_JUNIPER_ATM_CEMIC             = 0xee
+	DLT_JUNIPER_CHDLC                 = 0xb5
+	DLT_JUNIPER_ES                    = 0x84
+	DLT_JUNIPER_ETHER                 = 0xb2
+	DLT_JUNIPER_FIBRECHANNEL          = 0xea
+	DLT_JUNIPER_FRELAY                = 0xb4
+	DLT_JUNIPER_GGSN                  = 0x85
+	DLT_JUNIPER_ISM                   = 0xc2
+	DLT_JUNIPER_MFR                   = 0x86
+	DLT_JUNIPER_MLFR                  = 0x83
+	DLT_JUNIPER_MLPPP                 = 0x82
+	DLT_JUNIPER_MONITOR               = 0xa4
+	DLT_JUNIPER_PIC_PEER              = 0xae
+	DLT_JUNIPER_PPP                   = 0xb3
+	DLT_JUNIPER_PPPOE                 = 0xa7
+	DLT_JUNIPER_PPPOE_ATM             = 0xa8
+	DLT_JUNIPER_SERVICES              = 0x88
+	DLT_JUNIPER_SRX_E2E               = 0xe9
+	DLT_JUNIPER_ST                    = 0xc8
+	DLT_JUNIPER_VP                    = 0xb7
+	DLT_JUNIPER_VS                    = 0xe8
+	DLT_LAPB_WITH_DIR                 = 0xcf
+	DLT_LAPD                          = 0xcb
+	DLT_LIN                           = 0xd4
+	DLT_LINUX_EVDEV                   = 0xd8
+	DLT_LINUX_IRDA                    = 0x90
+	DLT_LINUX_LAPD                    = 0xb1
+	DLT_LINUX_PPP_WITHDIRECTION       = 0xa6
 	DLT_LINUX_SLL                     = 0x71
 	DLT_LOOP                          = 0x6c
+	DLT_LTALK                         = 0x72
+	DLT_MATCHING_MAX                  = 0xf5
+	DLT_MATCHING_MIN                  = 0x68
+	DLT_MFR                           = 0xb6
+	DLT_MOST                          = 0xd3
+	DLT_MPEG_2_TS                     = 0xf3
+	DLT_MPLS                          = 0xdb
+	DLT_MTP2                          = 0x8c
+	DLT_MTP2_WITH_PHDR                = 0x8b
+	DLT_MTP3                          = 0x8d
+	DLT_MUX27010                      = 0xec
+	DLT_NETANALYZER                   = 0xf0
+	DLT_NETANALYZER_TRANSPARENT       = 0xf1
+	DLT_NFC_LLCP                      = 0xf5
+	DLT_NFLOG                         = 0xef
+	DLT_NG40                          = 0xf4
 	DLT_NULL                          = 0x0
+	DLT_PCI_EXP                       = 0x7d
 	DLT_PFLOG                         = 0x75
 	DLT_PFSYNC                        = 0x12
+	DLT_PPI                           = 0xc0
 	DLT_PPP                           = 0x9
 	DLT_PPP_BSDOS                     = 0x10
+	DLT_PPP_ETHER                     = 0x33
+	DLT_PPP_PPPD                      = 0xa6
 	DLT_PPP_SERIAL                    = 0x32
+	DLT_PPP_WITH_DIR                  = 0xcc
+	DLT_PPP_WITH_DIRECTION            = 0xa6
+	DLT_PRISM_HEADER                  = 0x77
 	DLT_PRONET                        = 0x4
+	DLT_RAIF1                         = 0xc6
 	DLT_RAW                           = 0xc
+	DLT_RIO                           = 0x7c
+	DLT_SCCP                          = 0x8e
+	DLT_SITA                          = 0xc4
 	DLT_SLIP                          = 0x8
 	DLT_SLIP_BSDOS                    = 0xf
+	DLT_STANAG_5066_D_PDU             = 0xed
+	DLT_SUNATM                        = 0x7b
+	DLT_SYMANTEC_FIREWALL             = 0x63
+	DLT_TZSP                          = 0x80
+	DLT_USB                           = 0xba
+	DLT_USB_LINUX                     = 0xbd
+	DLT_USB_LINUX_MMAPPED             = 0xdc
+	DLT_USER0                         = 0x93
+	DLT_USER1                         = 0x94
+	DLT_USER10                        = 0x9d
+	DLT_USER11                        = 0x9e
+	DLT_USER12                        = 0x9f
+	DLT_USER13                        = 0xa0
+	DLT_USER14                        = 0xa1
+	DLT_USER15                        = 0xa2
+	DLT_USER2                         = 0x95
+	DLT_USER3                         = 0x96
+	DLT_USER4                         = 0x97
+	DLT_USER5                         = 0x98
+	DLT_USER6                         = 0x99
+	DLT_USER7                         = 0x9a
+	DLT_USER8                         = 0x9b
+	DLT_USER9                         = 0x9c
+	DLT_WIHART                        = 0xdf
+	DLT_X2E_SERIAL                    = 0xd5
+	DLT_X2E_XORAYA                    = 0xd6
 	DT_BLK                            = 0x6
 	DT_CHR                            = 0x2
 	DT_DIR                            = 0x4
@@ -198,8 +335,8 @@ const (
 	EVFILT_PROC                       = -0x5
 	EVFILT_READ                       = -0x1
 	EVFILT_SIGNAL                     = -0x6
-	EVFILT_SYSCOUNT                   = 0xc
-	EVFILT_THREADMARKER               = 0xc
+	EVFILT_SYSCOUNT                   = 0xe
+	EVFILT_THREADMARKER               = 0xe
 	EVFILT_TIMER                      = -0x7
 	EVFILT_USER                       = -0xa
 	EVFILT_VM                         = -0xc
@@ -233,6 +370,7 @@ const (
 	F_CHKCLEAN                        = 0x29
 	F_DUPFD                           = 0x0
 	F_DUPFD_CLOEXEC                   = 0x43
+	F_FINDSIGS                        = 0x4e
 	F_FLUSH_DATA                      = 0x28
 	F_FREEZE_FS                       = 0x35
 	F_FULLFSYNC                       = 0x33
@@ -245,10 +383,10 @@ const (
 	F_GETPATH                         = 0x32
 	F_GETPATH_MTMINFO                 = 0x47
 	F_GETPROTECTIONCLASS              = 0x3f
+	F_GETPROTECTIONLEVEL              = 0x4d
 	F_GLOBAL_NOCACHE                  = 0x37
 	F_LOG2PHYS                        = 0x31
 	F_LOG2PHYS_EXT                    = 0x41
-	F_MARKDEPENDENCY                  = 0x3c
 	F_NOCACHE                         = 0x30
 	F_NODIRECT                        = 0x3e
 	F_OK                              = 0x0
@@ -258,20 +396,21 @@ const (
 	F_RDADVISE                        = 0x2c
 	F_RDAHEAD                         = 0x2d
 	F_RDLCK                           = 0x1
-	F_READBOOTSTRAP                   = 0x2e
 	F_SETBACKINGSTORE                 = 0x46
 	F_SETFD                           = 0x2
 	F_SETFL                           = 0x4
 	F_SETLK                           = 0x8
 	F_SETLKW                          = 0x9
+	F_SETLKWTIMEOUT                   = 0xa
 	F_SETNOSIGPIPE                    = 0x49
 	F_SETOWN                          = 0x6
 	F_SETPROTECTIONCLASS              = 0x40
 	F_SETSIZE                         = 0x2b
+	F_SINGLE_WRITER                   = 0x4c
 	F_THAW_FS                         = 0x36
+	F_TRANSCODEKEY                    = 0x4b
 	F_UNLCK                           = 0x2
 	F_VOLPOSMODE                      = 0x4
-	F_WRITEBOOTSTRAP                  = 0x2f
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
 	ICANON                            = 0x100
@@ -341,6 +480,7 @@ const (
 	IFT_PDP                           = 0xff
 	IFT_PFLOG                         = 0xf5
 	IFT_PFSYNC                        = 0xf6
+	IFT_PKTAP                         = 0xfe
 	IFT_PPP                           = 0x17
 	IFT_PROPMUX                       = 0x36
 	IFT_PROPVIRTUAL                   = 0x35
@@ -509,7 +649,7 @@ const (
 	IPV6_FAITH                        = 0x1d
 	IPV6_FLOWINFO_MASK                = 0xffffff0f
 	IPV6_FLOWLABEL_MASK               = 0xffff0f00
-	IPV6_FRAGTTL                      = 0x78
+	IPV6_FRAGTTL                      = 0x3c
 	IPV6_FW_ADD                       = 0x1e
 	IPV6_FW_DEL                       = 0x1f
 	IPV6_FW_FLUSH                     = 0x20
@@ -679,11 +819,19 @@ const (
 	NOFLSH                            = 0x80000000
 	NOTE_ABSOLUTE                     = 0x8
 	NOTE_ATTRIB                       = 0x8
+	NOTE_BACKGROUND                   = 0x40
 	NOTE_CHILD                        = 0x4
+	NOTE_CRITICAL                     = 0x20
 	NOTE_DELETE                       = 0x1
 	NOTE_EXEC                         = 0x20000000
 	NOTE_EXIT                         = 0x80000000
 	NOTE_EXITSTATUS                   = 0x4000000
+	NOTE_EXIT_CSERROR                 = 0x40000
+	NOTE_EXIT_DECRYPTFAIL             = 0x10000
+	NOTE_EXIT_DETAIL                  = 0x2000000
+	NOTE_EXIT_DETAIL_MASK             = 0x70000
+	NOTE_EXIT_MEMORY                  = 0x20000
+	NOTE_EXIT_REPARENTED              = 0x80000
 	NOTE_EXTEND                       = 0x4
 	NOTE_FFAND                        = 0x40000000
 	NOTE_FFCOPY                       = 0xc0000000
@@ -692,6 +840,7 @@ const (
 	NOTE_FFNOP                        = 0x0
 	NOTE_FFOR                         = 0x80000000
 	NOTE_FORK                         = 0x40000000
+	NOTE_LEEWAY                       = 0x10
 	NOTE_LINK                         = 0x10
 	NOTE_LOWAT                        = 0x1
 	NOTE_NONE                         = 0x80
@@ -700,7 +849,6 @@ const (
 	NOTE_PDATAMASK                    = 0xfffff
 	NOTE_REAP                         = 0x10000000
 	NOTE_RENAME                       = 0x20
-	NOTE_RESOURCEEND                  = 0x2000000
 	NOTE_REVOKE                       = 0x40
 	NOTE_SECONDS                      = 0x1
 	NOTE_SIGNAL                       = 0x8000000
@@ -728,6 +876,7 @@ const (
 	O_CLOEXEC                         = 0x1000000
 	O_CREAT                           = 0x200
 	O_DIRECTORY                       = 0x100000
+	O_DP_GETRAWENCRYPTED              = 0x1
 	O_DSYNC                           = 0x400000
 	O_EVTONLY                         = 0x8000
 	O_EXCL                            = 0x800
@@ -777,6 +926,7 @@ const (
 	RLIMIT_AS                         = 0x5
 	RLIMIT_CORE                       = 0x4
 	RLIMIT_CPU                        = 0x0
+	RLIMIT_CPU_USAGE_MONITOR          = 0x2
 	RLIMIT_DATA                       = 0x2
 	RLIMIT_FSIZE                      = 0x1
 	RLIMIT_NOFILE                     = 0x8
@@ -814,12 +964,15 @@ const (
 	RTF_LOCAL                         = 0x200000
 	RTF_MODIFIED                      = 0x20
 	RTF_MULTICAST                     = 0x800000
+	RTF_NOIFREF                       = 0x2000
 	RTF_PINNED                        = 0x100000
 	RTF_PRCLONING                     = 0x10000
 	RTF_PROTO1                        = 0x8000
 	RTF_PROTO2                        = 0x4000
 	RTF_PROTO3                        = 0x40000
+	RTF_PROXY                         = 0x8000000
 	RTF_REJECT                        = 0x8
+	RTF_ROUTER                        = 0x10000000
 	RTF_STATIC                        = 0x800
 	RTF_UP                            = 0x1
 	RTF_WASCLONED                     = 0x20000
@@ -908,6 +1061,7 @@ const (
 	SIOCIFCREATE                      = 0xc0206978
 	SIOCIFCREATE2                     = 0xc020697a
 	SIOCIFDESTROY                     = 0x80206979
+	SIOCIFGCLONERS                    = 0xc0106981
 	SIOCRSLVMULTI                     = 0xc010693b
 	SIOCSDRVSPEC                      = 0x8028697b
 	SIOCSETVLAN                       = 0x8020697e
@@ -965,10 +1119,6 @@ const (
 	SO_RCVBUF                         = 0x1002
 	SO_RCVLOWAT                       = 0x1004
 	SO_RCVTIMEO                       = 0x1006
-	SO_RESTRICTIONS                   = 0x1081
-	SO_RESTRICT_DENYIN                = 0x1
-	SO_RESTRICT_DENYOUT               = 0x2
-	SO_RESTRICT_DENYSET               = 0x80000000
 	SO_REUSEADDR                      = 0x4
 	SO_REUSEPORT                      = 0x200
 	SO_REUSESHAREUID                  = 0x1025
@@ -1015,6 +1165,8 @@ const (
 	TCOFLUSH                          = 0x2
 	TCP_CONNECTIONTIMEOUT             = 0x20
 	TCP_KEEPALIVE                     = 0x10
+	TCP_KEEPCNT                       = 0x102
+	TCP_KEEPINTVL                     = 0x101
 	TCP_MAXHLEN                       = 0x3c
 	TCP_MAXOLEN                       = 0x28
 	TCP_MAXSEG                        = 0x2
@@ -1022,13 +1174,13 @@ const (
 	TCP_MAX_SACK                      = 0x3
 	TCP_MAX_WINSHIFT                  = 0xe
 	TCP_MINMSS                        = 0xd8
-	TCP_MINMSSOVERLOAD                = 0x3e8
 	TCP_MSS                           = 0x200
 	TCP_NODELAY                       = 0x1
 	TCP_NOOPT                         = 0x8
 	TCP_NOPUSH                        = 0x4
 	TCP_RXT_CONNDROPTIME              = 0x80
 	TCP_RXT_FINDROP                   = 0x100
+	TCP_SENDMOREACKS                  = 0x103
 	TCSAFLUSH                         = 0x2
 	TIOCCBRK                          = 0x2000747a
 	TIOCCDTR                          = 0x20007478
@@ -1172,7 +1324,7 @@ const (
 	EIO             = syscall.Errno(0x5)
 	EISCONN         = syscall.Errno(0x38)
 	EISDIR          = syscall.Errno(0x15)
-	ELAST           = syscall.Errno(0x69)
+	ELAST           = syscall.Errno(0x6a)
 	ELOOP           = syscall.Errno(0x3e)
 	EMFILE          = syscall.Errno(0x18)
 	EMLINK          = syscall.Errno(0x1f)
@@ -1223,6 +1375,7 @@ const (
 	EPROTONOSUPPORT = syscall.Errno(0x2b)
 	EPROTOTYPE      = syscall.Errno(0x29)
 	EPWROFF         = syscall.Errno(0x52)
+	EQFULL          = syscall.Errno(0x6a)
 	ERANGE          = syscall.Errno(0x22)
 	EREMOTE         = syscall.Errno(0x47)
 	EROFS           = syscall.Errno(0x1e)
@@ -1385,6 +1538,7 @@ var errors = [...]string{
 	103: "policy not found",
 	104: "state not recoverable",
 	105: "previous owner died",
+	106: "interface output queue is full",
 }
 
 // Signal table

unix/zsyscall_darwin_386.go

@@ -1,4 +1,4 @@
-// mkunix.pl -l32 syscall_bsd.go syscall_darwin.go syscall_darwin_386.go
+// mksyscall.pl -l32 syscall_bsd.go syscall_darwin.go syscall_darwin_386.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
@@ -230,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -298,6 +299,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -323,6 +325,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -338,6 +341,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -353,6 +357,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -368,6 +373,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -383,6 +389,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -434,6 +441,8 @@ func Exchangedata(path1 string, path2 string, options int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_EXCHANGEDATA, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -710,6 +719,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -730,6 +740,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -755,6 +767,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -770,6 +783,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -785,6 +799,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -800,6 +815,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -883,6 +899,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -899,6 +916,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -972,6 +990,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -993,6 +1012,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1008,6 +1029,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1023,6 +1045,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1089,6 +1112,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1195,6 +1219,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1210,6 +1235,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1230,6 +1256,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1255,6 +1283,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), uintptr(length>>32))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1278,6 +1307,7 @@ func Undelete(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1293,6 +1323,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1308,6 +1339,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_darwin_amd64.go

@@ -1,4 +1,4 @@
-// mkunix.pl syscall_bsd.go syscall_darwin.go syscall_darwin_amd64.go
+// mksyscall.pl syscall_bsd.go syscall_darwin.go syscall_darwin_amd64.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
@@ -230,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -298,6 +299,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -323,6 +325,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -338,6 +341,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -353,6 +357,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -368,6 +373,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -383,6 +389,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -434,6 +441,8 @@ func Exchangedata(path1 string, path2 string, options int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_EXCHANGEDATA, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -710,6 +719,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -730,6 +740,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -755,6 +767,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -770,6 +783,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -785,6 +799,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -800,6 +815,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -883,6 +899,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -899,6 +916,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -972,6 +990,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -993,6 +1012,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1008,6 +1029,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1023,6 +1045,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1089,6 +1112,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1195,6 +1219,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1210,6 +1235,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1230,6 +1256,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1255,6 +1283,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1278,6 +1307,7 @@ func Undelete(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1293,6 +1323,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1308,6 +1339,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_dragonfly_386.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 -dragonfly syscall_bsd.go syscall_dragonfly.go syscall_dragonfly_386.go
+// mksyscall.pl -l32 -dragonfly syscall_bsd.go syscall_dragonfly.go syscall_dragonfly_386.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -315,6 +313,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -340,6 +339,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -355,6 +355,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -370,6 +371,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -385,6 +387,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -400,6 +403,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -727,6 +731,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -747,6 +752,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -772,6 +779,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -787,6 +795,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -802,6 +811,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -817,6 +827,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -842,6 +853,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -858,6 +870,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -897,6 +910,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -918,6 +932,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -933,6 +949,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -948,6 +965,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1014,6 +1032,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1130,6 +1149,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1165,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1165,6 +1186,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1190,6 +1213,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1213,6 +1237,7 @@ func Undelete(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1228,6 +1253,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1243,6 +1269,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_dragonfly_amd64.go

@@ -1,12 +1,9 @@
-// mkunix.pl -dragonfly syscall_bsd.go syscall_dragonfly.go syscall_dragonfly_amd64.go
+// mksyscall.pl -dragonfly syscall_bsd.go syscall_dragonfly.go syscall_dragonfly_amd64.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -315,6 +313,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -340,6 +339,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -355,6 +355,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -370,6 +371,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -385,6 +387,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -400,6 +403,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -727,6 +731,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -747,6 +752,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -772,6 +779,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -787,6 +795,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -802,6 +811,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -817,6 +827,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -842,6 +853,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -858,6 +870,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -897,6 +910,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -918,6 +932,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -933,6 +949,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -948,6 +965,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1014,6 +1032,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1130,6 +1149,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1165,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1165,6 +1186,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1190,6 +1213,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1213,6 +1237,7 @@ func Undelete(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1228,6 +1253,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1243,6 +1269,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_freebsd_386.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 syscall_bsd.go syscall_freebsd.go syscall_freebsd_386.go
+// mksyscall.pl -l32 syscall_bsd.go syscall_freebsd.go syscall_freebsd_386.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -281,6 +279,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -306,6 +305,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -321,6 +321,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -336,6 +337,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -351,6 +353,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -366,6 +369,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -693,6 +697,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -713,6 +718,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -738,6 +745,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -753,6 +761,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -768,6 +777,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -783,6 +793,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -808,6 +819,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -824,6 +836,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -897,6 +910,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -918,6 +932,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -933,6 +949,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -948,6 +965,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1014,6 +1032,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1130,6 +1149,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1165,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1165,6 +1186,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1190,6 +1213,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), uintptr(length>>32))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1213,6 +1237,7 @@ func Undelete(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1228,6 +1253,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1243,6 +1269,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_freebsd_amd64.go

@@ -1,12 +1,9 @@
-// mkunix.pl syscall_bsd.go syscall_freebsd.go syscall_freebsd_amd64.go
+// mksyscall.pl syscall_bsd.go syscall_freebsd.go syscall_freebsd_amd64.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -281,6 +279,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -306,6 +305,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -321,6 +321,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -336,6 +337,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -351,6 +353,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -366,6 +369,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -693,6 +697,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -713,6 +718,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -738,6 +745,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -753,6 +761,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -768,6 +777,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -783,6 +793,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -808,6 +819,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -824,6 +836,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -897,6 +910,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -918,6 +932,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -933,6 +949,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -948,6 +965,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1014,6 +1032,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1130,6 +1149,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1165,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1165,6 +1186,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1190,6 +1213,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1213,6 +1237,7 @@ func Undelete(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1228,6 +1253,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1243,6 +1269,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_freebsd_arm.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 -arm syscall_bsd.go syscall_freebsd.go syscall_freebsd_arm.go
+// mksyscall.pl -l32 -arm syscall_bsd.go syscall_freebsd.go syscall_freebsd_arm.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -281,6 +279,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -306,6 +305,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -321,6 +321,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -336,6 +337,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -351,6 +353,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -366,6 +369,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -693,6 +697,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -713,6 +718,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -738,6 +745,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -753,6 +761,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -768,6 +777,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -783,6 +793,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -808,6 +819,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -824,6 +836,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -897,6 +910,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -918,6 +932,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -933,6 +949,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -948,6 +965,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1014,6 +1032,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1130,6 +1149,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1165,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1165,6 +1186,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1190,6 +1213,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1213,6 +1237,7 @@ func Undelete(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNDELETE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1228,6 +1253,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1243,6 +1269,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_linux_386.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 syscall_linux.go syscall_linux_386.go
+// mksyscall.pl -l32 syscall_linux.go syscall_linux_386.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -17,6 +14,7 @@ func open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -33,6 +31,7 @@ func openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 		return
 	}
 	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mode), 0, 0)
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -69,6 +68,7 @@ func utimes(path string, times *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -84,6 +84,7 @@ func utimensat(dirfd int, path string, times *[2]Timespec) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMENSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -147,6 +148,7 @@ func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_REBOOT, uintptr(magic1), uintptr(magic2), uintptr(cmd), uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -172,6 +174,9 @@ func mount(source string, target string, fstype string, flags uintptr, data *byt
 		return
 	}
 	_, _, e1 := Syscall6(SYS_MOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(_p2)), uintptr(flags), uintptr(unsafe.Pointer(data)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
+	use(unsafe.Pointer(_p2))
 	if e1 != 0 {
 		err = e1
 	}
@@ -187,6 +192,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -202,6 +208,7 @@ func Acct(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -228,6 +235,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -243,6 +251,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -258,6 +267,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -283,6 +293,7 @@ func Creat(path string, mode uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_CREAT, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -386,6 +397,7 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -431,6 +443,7 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -446,6 +459,7 @@ func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -594,6 +608,8 @@ func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
 		_p2 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(dest)), 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	sz = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -610,6 +626,7 @@ func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err e
 		return
 	}
 	r0, _, e1 := Syscall(SYS_INOTIFY_ADD_WATCH, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(mask))
+	use(unsafe.Pointer(_p0))
 	watchdesc = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -691,6 +708,8 @@ func Link(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -712,6 +731,7 @@ func Listxattr(path string, dest []byte) (sz int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)))
+	use(unsafe.Pointer(_p0))
 	sz = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -728,6 +748,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -743,6 +764,7 @@ func Mkdirat(dirfd int, path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -758,6 +780,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -773,6 +796,7 @@ func Mknodat(dirfd int, path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_MKNODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -813,6 +837,8 @@ func PivotRoot(newroot string, putold string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_PIVOT_ROOT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -861,6 +887,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -882,6 +909,8 @@ func Removexattr(path string, attr string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -902,6 +931,8 @@ func Rename(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -922,6 +953,8 @@ func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err e
 		return
 	}
 	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -937,6 +970,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1036,6 +1070,8 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 		_p2 = unsafe.Pointer(&_zero)
 	}
 	_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1056,6 +1092,8 @@ func Symlink(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1138,6 +1176,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1153,6 +1192,7 @@ func Unlinkat(dirfd int, path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1168,6 +1208,7 @@ func Unmount(target string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UMOUNT2, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1203,6 +1244,7 @@ func Utime(path string, buf *Utimbuf) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1361,6 +1403,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN32, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1458,6 +1501,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN32, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1473,6 +1517,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1604,6 +1649,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1629,6 +1675,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE64, uintptr(unsafe.Pointer(_p0)), uintptr(length), uintptr(length>>32))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_linux_amd64.go

@@ -1,12 +1,9 @@
-// mkunix.pl syscall_linux.go syscall_linux_amd64.go
+// mksyscall.pl syscall_linux.go syscall_linux_amd64.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -17,6 +14,7 @@ func open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -33,6 +31,7 @@ func openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 		return
 	}
 	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mode), 0, 0)
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -69,6 +68,7 @@ func utimes(path string, times *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -84,6 +84,7 @@ func utimensat(dirfd int, path string, times *[2]Timespec) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMENSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -147,6 +148,7 @@ func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_REBOOT, uintptr(magic1), uintptr(magic2), uintptr(cmd), uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -172,6 +174,9 @@ func mount(source string, target string, fstype string, flags uintptr, data *byt
 		return
 	}
 	_, _, e1 := Syscall6(SYS_MOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(_p2)), uintptr(flags), uintptr(unsafe.Pointer(data)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
+	use(unsafe.Pointer(_p2))
 	if e1 != 0 {
 		err = e1
 	}
@@ -187,6 +192,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -202,6 +208,7 @@ func Acct(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -228,6 +235,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -243,6 +251,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -258,6 +267,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -283,6 +293,7 @@ func Creat(path string, mode uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_CREAT, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -386,6 +397,7 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -431,6 +443,7 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -446,6 +459,7 @@ func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -594,6 +608,8 @@ func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
 		_p2 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(dest)), 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	sz = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -610,6 +626,7 @@ func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err e
 		return
 	}
 	r0, _, e1 := Syscall(SYS_INOTIFY_ADD_WATCH, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(mask))
+	use(unsafe.Pointer(_p0))
 	watchdesc = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -691,6 +708,8 @@ func Link(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -712,6 +731,7 @@ func Listxattr(path string, dest []byte) (sz int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)))
+	use(unsafe.Pointer(_p0))
 	sz = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -728,6 +748,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -743,6 +764,7 @@ func Mkdirat(dirfd int, path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -758,6 +780,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -773,6 +796,7 @@ func Mknodat(dirfd int, path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_MKNODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -813,6 +837,8 @@ func PivotRoot(newroot string, putold string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_PIVOT_ROOT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -861,6 +887,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -882,6 +909,8 @@ func Removexattr(path string, attr string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -902,6 +931,8 @@ func Rename(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -922,6 +953,8 @@ func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err e
 		return
 	}
 	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -937,6 +970,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1036,6 +1070,8 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 		_p2 = unsafe.Pointer(&_zero)
 	}
 	_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1056,6 +1092,8 @@ func Symlink(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1138,6 +1176,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1153,6 +1192,7 @@ func Unlinkat(dirfd int, path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1168,6 +1208,7 @@ func Unmount(target string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UMOUNT2, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1203,6 +1244,7 @@ func Utime(path string, buf *Utimbuf) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1361,6 +1403,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1478,6 +1521,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1503,6 +1547,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1676,6 +1721,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1691,6 +1737,7 @@ func Statfs(path string, buf *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1716,6 +1763,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), uintptr(length), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_linux_arm.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 -arm syscall_linux.go syscall_linux_arm.go
+// mksyscall.pl -l32 -arm syscall_linux.go syscall_linux_arm.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -17,6 +14,7 @@ func open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -33,6 +31,7 @@ func openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 		return
 	}
 	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mode), 0, 0)
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -69,6 +68,7 @@ func utimes(path string, times *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -84,6 +84,7 @@ func utimensat(dirfd int, path string, times *[2]Timespec) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMENSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -147,6 +148,7 @@ func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_REBOOT, uintptr(magic1), uintptr(magic2), uintptr(cmd), uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -172,6 +174,9 @@ func mount(source string, target string, fstype string, flags uintptr, data *byt
 		return
 	}
 	_, _, e1 := Syscall6(SYS_MOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(_p2)), uintptr(flags), uintptr(unsafe.Pointer(data)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
+	use(unsafe.Pointer(_p2))
 	if e1 != 0 {
 		err = e1
 	}
@@ -187,6 +192,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -202,6 +208,7 @@ func Acct(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -228,6 +235,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -243,6 +251,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -258,6 +267,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -283,6 +293,7 @@ func Creat(path string, mode uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_CREAT, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -386,6 +397,7 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -431,6 +443,7 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -446,6 +459,7 @@ func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -594,6 +608,8 @@ func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
 		_p2 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall6(SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(dest)), 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	sz = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -610,6 +626,7 @@ func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err e
 		return
 	}
 	r0, _, e1 := Syscall(SYS_INOTIFY_ADD_WATCH, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(mask))
+	use(unsafe.Pointer(_p0))
 	watchdesc = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -691,6 +708,8 @@ func Link(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -712,6 +731,7 @@ func Listxattr(path string, dest []byte) (sz int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)))
+	use(unsafe.Pointer(_p0))
 	sz = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -728,6 +748,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -743,6 +764,7 @@ func Mkdirat(dirfd int, path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -758,6 +780,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -773,6 +796,7 @@ func Mknodat(dirfd int, path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_MKNODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -813,6 +837,8 @@ func PivotRoot(newroot string, putold string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_PIVOT_ROOT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -861,6 +887,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -882,6 +909,8 @@ func Removexattr(path string, attr string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -902,6 +931,8 @@ func Rename(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -922,6 +953,8 @@ func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err e
 		return
 	}
 	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -937,6 +970,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1036,6 +1070,8 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 		_p2 = unsafe.Pointer(&_zero)
 	}
 	_, _, e1 := Syscall6(SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1056,6 +1092,8 @@ func Symlink(oldpath string, newpath string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1138,6 +1176,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1153,6 +1192,7 @@ func Unlinkat(dirfd int, path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1168,6 +1208,7 @@ func Unmount(target string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UMOUNT2, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1203,6 +1244,7 @@ func Utime(path string, buf *Utimbuf) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1540,6 +1582,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN32, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1607,6 +1650,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN32, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1632,6 +1676,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1750,6 +1795,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1820,6 +1866,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_TRUNCATE64, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_netbsd_386.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 -netbsd syscall_bsd.go syscall_netbsd.go syscall_netbsd_386.go
+// mksyscall.pl -l32 -netbsd syscall_bsd.go syscall_netbsd.go syscall_netbsd_386.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -298,6 +296,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -323,6 +322,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -338,6 +338,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -353,6 +354,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -368,6 +370,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -383,6 +386,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -675,6 +679,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -695,6 +700,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -720,6 +727,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -735,6 +743,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -750,6 +759,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -765,6 +775,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -790,6 +801,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -806,6 +818,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -879,6 +892,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -900,6 +914,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -915,6 +931,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -930,6 +947,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1077,6 +1095,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1097,6 +1116,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1122,6 +1143,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1167,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1160,6 +1183,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_netbsd_amd64.go

@@ -1,12 +1,9 @@
-// mkunix.pl -netbsd syscall_bsd.go syscall_netbsd.go syscall_netbsd_amd64.go
+// mksyscall.pl -netbsd syscall_bsd.go syscall_netbsd.go syscall_netbsd_amd64.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -298,6 +296,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -323,6 +322,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -338,6 +338,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -353,6 +354,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -368,6 +370,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -383,6 +386,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -675,6 +679,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -695,6 +700,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -720,6 +727,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -735,6 +743,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -750,6 +759,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -765,6 +775,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -790,6 +801,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -806,6 +818,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -879,6 +892,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -900,6 +914,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -915,6 +931,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -930,6 +947,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1077,6 +1095,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1097,6 +1116,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1122,6 +1143,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1167,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1160,6 +1183,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_netbsd_arm.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 -arm syscall_bsd.go syscall_netbsd.go syscall_netbsd_arm.go
+// mksyscall.pl -l32 -arm syscall_bsd.go syscall_netbsd.go syscall_netbsd_arm.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -298,6 +296,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -323,6 +322,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -338,6 +338,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -353,6 +354,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -368,6 +370,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -383,6 +386,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -675,6 +679,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -695,6 +700,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -720,6 +727,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -735,6 +743,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -750,6 +759,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -765,6 +775,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -790,6 +801,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -806,6 +818,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -879,6 +892,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -900,6 +914,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -915,6 +931,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -930,6 +947,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1077,6 +1095,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1097,6 +1116,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1122,6 +1143,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1145,6 +1167,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1160,6 +1183,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_openbsd_386.go

@@ -1,12 +1,9 @@
-// mkunix.pl -l32 -openbsd syscall_bsd.go syscall_openbsd.go syscall_openbsd_386.go
+// mksyscall.pl -l32 -openbsd syscall_bsd.go syscall_openbsd.go syscall_openbsd_386.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -296,6 +294,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -321,6 +320,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -336,6 +336,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -351,6 +352,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -366,6 +368,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -381,6 +384,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -683,6 +687,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -703,6 +708,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -728,6 +735,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -743,6 +751,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -758,6 +767,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -773,6 +783,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -798,6 +809,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -814,6 +826,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -887,6 +900,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -908,6 +922,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -923,6 +939,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -938,6 +955,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1004,6 +1022,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1120,6 +1139,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1135,6 +1155,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1155,6 +1176,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1180,6 +1203,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall6(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1203,6 +1227,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1218,6 +1243,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_openbsd_amd64.go

@@ -1,12 +1,9 @@
-// mkunix.pl -openbsd syscall_bsd.go syscall_openbsd.go syscall_openbsd_amd64.go
+// mksyscall.pl -openbsd syscall_bsd.go syscall_openbsd.go syscall_openbsd_amd64.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
@@ -233,6 +230,7 @@ func utimes(path string, timeval *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -296,6 +294,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -321,6 +320,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -336,6 +336,7 @@ func Chflags(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -351,6 +352,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -366,6 +368,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -381,6 +384,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -683,6 +687,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -703,6 +708,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -728,6 +735,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -743,6 +751,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -758,6 +767,7 @@ func Mkfifo(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -773,6 +783,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -798,6 +809,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -814,6 +826,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -887,6 +900,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -908,6 +922,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -923,6 +939,7 @@ func Revoke(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -938,6 +955,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1004,6 +1022,7 @@ func Setlogin(name string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1120,6 +1139,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1135,6 +1155,7 @@ func Statfs(path string, stat *Statfs_t) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1155,6 +1176,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1180,6 +1203,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length))
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1203,6 +1227,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -1218,6 +1243,7 @@ func Unmount(path string, flags int) (err error) {
 		return
 	}
 	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

unix/zsyscall_solaris_amd64.go

@@ -3,14 +3,11 @@
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 var (
-	modlibc      = newLazySO("libc.so")
-	modlibsocket = newLazySO("libsocket.so")
+	modlibc      = syscall.newLazySO("libc.so")
+	modlibsocket = syscall.newLazySO("libsocket.so")
 
 	procgetgroups    = modlibc.NewProc("getgroups")
 	procsetgroups    = modlibc.NewProc("setgroups")
@@ -145,6 +142,7 @@ func Access(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procAccess.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -166,6 +164,7 @@ func Chdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procChdir.Addr(), 1, uintptr(unsafe.Pointer(_p0)), 0, 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -179,6 +178,7 @@ func Chmod(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procChmod.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -192,6 +192,7 @@ func Chown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procChown.Addr(), 3, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -205,6 +206,7 @@ func Chroot(path string) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procChroot.Addr(), 1, uintptr(unsafe.Pointer(_p0)), 0, 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -363,6 +365,7 @@ func Lchown(path string, uid int, gid int) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procLchown.Addr(), 3, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -381,6 +384,8 @@ func Link(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procLink.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -402,6 +407,7 @@ func Lstat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procLstat.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -415,6 +421,7 @@ func Mkdir(path string, mode uint32) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procMkdir.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -428,6 +435,7 @@ func Mknod(path string, mode uint32, dev int) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procMknod.Addr(), 3, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev), 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -449,6 +457,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := sysvicall6(procOpen.Addr(), 3, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -463,6 +472,7 @@ func Pathconf(path string, name int) (val int, err error) {
 		return
 	}
 	r0, _, e1 := sysvicall6(procPathconf.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	val = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -520,6 +530,7 @@ func Readlink(path string, buf []byte) (n int, err error) {
 		_p1 = &buf[0]
 	}
 	r0, _, e1 := sysvicall6(procReadlink.Addr(), 3, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(len(buf)), 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@@ -539,6 +550,8 @@ func Rename(from string, to string) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procRename.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -552,6 +565,7 @@ func Rmdir(path string) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procRmdir.Addr(), 1, uintptr(unsafe.Pointer(_p0)), 0, 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -663,6 +677,7 @@ func Stat(path string, stat *Stat_t) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procStat.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -681,6 +696,8 @@ func Symlink(path string, link string) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procSymlink.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
+	use(unsafe.Pointer(_p1))
 	if e1 != 0 {
 		err = e1
 	}
@@ -702,6 +719,7 @@ func Truncate(path string, length int64) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procTruncate.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(length), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -737,6 +755,7 @@ func Unlink(path string) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procUnlink.Addr(), 1, uintptr(unsafe.Pointer(_p0)), 0, 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}
@@ -750,6 +769,7 @@ func Utimes(path string, times *[2]Timeval) (err error) {
 		return
 	}
 	_, _, e1 := sysvicall6(procUtimes.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), 0, 0, 0, 0)
+	use(unsafe.Pointer(_p0))
 	if e1 != 0 {
 		err = e1
 	}

windows/asm.s

@@ -0,0 +1,8 @@
+// Copyright 2014 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.
+
+#include "textflag.h"
+
+TEXT ·use(SB),NOSPLIT,$0
+	RET

windows/syscall.go

@@ -21,7 +21,10 @@
 // holds a value of type syscall.Errno.
 package windows
 
-import "syscall"
+import (
+	"syscall"
+	"unsafe"
+)
 
 // ByteSliceFromString returns a NUL-terminated slice of bytes
 // containing the text of s. If s contains a NUL byte at any
@@ -67,3 +70,8 @@ func (ts *Timespec) Nano() int64 {
 func (tv *Timeval) Nano() int64 {
 	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
 }
+
+// use is a no-op, but the compiler cannot see that it is.
+// Calling use(p) ensures that p is kept live until that point.
+//go:noescape
+func use(p unsafe.Pointer)