x/sys/unix: regenerate darwin/arm64 outputs with the latest SDK

I did this on OS X 10.10.5 (14F27) using the iOS SDK included in Xcode
6.4 (6E35b). This commit contains the same SYS_SYSCTL -> SYS___SYSCTL
workaround found in commit 9ef4b6c1; see its description for more info.

Change-Id: I4dddc2a6d030ce297ee711f4430ec9db3abcda50
Reviewed-on: https://go-review.googlesource.com/14094Reviewed-by: Minux Ma <minux@golang.org>
Reviewed-by: David Crawshaw <crawshaw@golang.org>

unix/mkall.sh

@@ -131,7 +131,7 @@ darwin_arm)
 	;;
 darwin_arm64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="./mksysnum_darwin.pl /usr/include/sys/syscall.h"
+	mksysnum="./mksysnum_darwin.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 dragonfly_386)

unix/syscall_darwin_arm64.go

@@ -73,3 +73,7 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
+
+// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
+// of darwin/arm64 the syscall is called sysctl instead of __sysctl.
+const SYS___SYSCTL = SYS_SYSCTL

unix/zsysnum_darwin_arm64.go

-// mksysnum_darwin.pl /usr/include/sys/syscall.h
+// mksysnum_darwin.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/sys/syscall.h
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 // +build arm64,darwin
@@ -121,6 +121,7 @@ const (
 	SYS_CSOPS                          = 169
 	SYS_CSOPS_AUDITTOKEN               = 170
 	SYS_WAITID                         = 173
+	SYS_KDEBUG_TRACE64                 = 179
 	SYS_KDEBUG_TRACE                   = 180
 	SYS_SETGID                         = 181
 	SYS_SETEGID                        = 182
@@ -140,17 +141,10 @@ const (
 	SYS_LSEEK                          = 199
 	SYS_TRUNCATE                       = 200
 	SYS_FTRUNCATE                      = 201
-	SYS___SYSCTL                       = 202
+	SYS_SYSCTL                         = 202
 	SYS_MLOCK                          = 203
 	SYS_MUNLOCK                        = 204
 	SYS_UNDELETE                       = 205
-	SYS_ATSOCKET                       = 206
-	SYS_ATGETMSG                       = 207
-	SYS_ATPUTMSG                       = 208
-	SYS_ATPSNDREQ                      = 209
-	SYS_ATPSNDRSP                      = 210
-	SYS_ATPGETREQ                      = 211
-	SYS_ATPGETRSP                      = 212
 	SYS_OPEN_DPROTECTED_NP             = 216
 	SYS_GETATTRLIST                    = 220
 	SYS_SETATTRLIST                    = 221
@@ -202,9 +196,7 @@ const (
 	SYS_SEM_WAIT                       = 271
 	SYS_SEM_TRYWAIT                    = 272
 	SYS_SEM_POST                       = 273
-	SYS_SEM_GETVALUE                   = 274
-	SYS_SEM_INIT                       = 275
-	SYS_SEM_DESTROY                    = 276
+	SYS_SYSCTLBYNAME                   = 274
 	SYS_OPEN_EXTENDED                  = 277
 	SYS_UMASK_EXTENDED                 = 278
 	SYS_STAT_EXTENDED                  = 279
@@ -354,5 +346,53 @@ const (
 	SYS_PID_SHUTDOWN_SOCKETS           = 436
 	SYS_SHARED_REGION_MAP_AND_SLIDE_NP = 438
 	SYS_KAS_INFO                       = 439
-	SYS_MAXSYSCALL                     = 440
+	SYS_MEMORYSTATUS_CONTROL           = 440
+	SYS_GUARDED_OPEN_NP                = 441
+	SYS_GUARDED_CLOSE_NP               = 442
+	SYS_GUARDED_KQUEUE_NP              = 443
+	SYS_CHANGE_FDGUARD_NP              = 444
+	SYS_PROC_RLIMIT_CONTROL            = 446
+	SYS_CONNECTX                       = 447
+	SYS_DISCONNECTX                    = 448
+	SYS_PEELOFF                        = 449
+	SYS_SOCKET_DELEGATE                = 450
+	SYS_TELEMETRY                      = 451
+	SYS_PROC_UUID_POLICY               = 452
+	SYS_MEMORYSTATUS_GET_LEVEL         = 453
+	SYS_SYSTEM_OVERRIDE                = 454
+	SYS_VFS_PURGE                      = 455
+	SYS_SFI_CTL                        = 456
+	SYS_SFI_PIDCTL                     = 457
+	SYS_COALITION                      = 458
+	SYS_COALITION_INFO                 = 459
+	SYS_NECP_MATCH_POLICY              = 460
+	SYS_GETATTRLISTBULK                = 461
+	SYS_OPENAT                         = 463
+	SYS_OPENAT_NOCANCEL                = 464
+	SYS_RENAMEAT                       = 465
+	SYS_FACCESSAT                      = 466
+	SYS_FCHMODAT                       = 467
+	SYS_FCHOWNAT                       = 468
+	SYS_FSTATAT                        = 469
+	SYS_FSTATAT64                      = 470
+	SYS_LINKAT                         = 471
+	SYS_UNLINKAT                       = 472
+	SYS_READLINKAT                     = 473
+	SYS_SYMLINKAT                      = 474
+	SYS_MKDIRAT                        = 475
+	SYS_GETATTRLISTAT                  = 476
+	SYS_PROC_TRACE_LOG                 = 477
+	SYS_BSDTHREAD_CTL                  = 478
+	SYS_OPENBYID_NP                    = 479
+	SYS_RECVMSG_X                      = 480
+	SYS_SENDMSG_X                      = 481
+	SYS_THREAD_SELFUSAGE               = 482
+	SYS_CSRCTL                         = 483
+	SYS_GUARDED_OPEN_DPROTECTED_NP     = 484
+	SYS_GUARDED_WRITE_NP               = 485
+	SYS_GUARDED_PWRITE_NP              = 486
+	SYS_GUARDED_WRITEV_NP              = 487
+	SYS_RENAME_EXT                     = 488
+	SYS_MREMAP_ENCRYPTED               = 489
+	SYS_MAXSYSCALL                     = 490
 )

unix/ztypes_darwin_arm64.go

+// +build arm64,darwin
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types_darwin.go
 
-// +build arm64,darwin
-
 package unix
 
 const (
@@ -132,9 +131,9 @@ type Fbootstraptransfer_t struct {
 }
 
 type Log2phys_t struct {
-	Flags       uint32
-	Contigbytes int64
-	Devoffset   int64
+	Flags     uint32
+	Pad_cgo_0 [8]byte
+	Pad_cgo_1 [8]byte
 }
 
 type Fsid struct {