unix: remove Getdirentries on iOS

This system call doesn't exist on iOS.

Update golang/go#28984

Change-Id: I92eb6fd3eb263863a31338bc18c9826a2242434b
Reviewed-on: https://go-review.googlesource.com/c/154659
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

unix/syscall_darwin.go

@@ -437,7 +437,6 @@ func Uname(uname *Utsname) error {
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
-//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
 //sys	Getdtablesize() (size int)
 //sysnb	Getegid() (egid int)
 //sysnb	Geteuid() (uid int)

unix/syscall_darwin_386.go

@@ -70,6 +70,7 @@ const SYS___SYSCTL = SYS_SYSCTL
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
+//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
 //sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64

unix/syscall_darwin_amd64.go

@@ -70,6 +70,7 @@ const SYS___SYSCTL = SYS_SYSCTL
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
+//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
 //sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64

unix/syscall_darwin_arm.go

@@ -71,3 +71,7 @@ const SYS___SYSCTL = SYS_SYSCTL
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Statfs(path string, stat *Statfs_t) (err error)
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	return 0, ENOSYS
+}

unix/syscall_darwin_arm64.go

@@ -73,3 +73,7 @@ const SYS___SYSCTL = SYS_SYSCTL
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Statfs(path string, stat *Statfs_t) (err error)
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	return 0, ENOSYS
+}

unix/zsyscall_darwin_386.1_12.go

@@ -1097,27 +1097,6 @@ func libc_ftruncate_trampoline()
 //go:cgo_import_dynamic libc_ftruncate ftruncate "/usr/lib/libSystem.B.dylib"
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := syscall_syscall6(funcPC(libc___getdirentries64_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func libc___getdirentries64_trampoline()
-
-//go:linkname libc___getdirentries64 libc___getdirentries64
-//go:cgo_import_dynamic libc___getdirentries64 __getdirentries64 "/usr/lib/libSystem.B.dylib"
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := syscall_syscall(funcPC(libc_getdtablesize_trampoline), 0, 0, 0)
 	size = int(r0)
@@ -2253,6 +2232,27 @@ func libc_fstatfs64_trampoline()
 //go:cgo_import_dynamic libc_fstatfs64 fstatfs64 "/usr/lib/libSystem.B.dylib"
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall6(funcPC(libc___getdirentries64_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc___getdirentries64_trampoline()
+
+//go:linkname libc___getdirentries64 libc___getdirentries64
+//go:cgo_import_dynamic libc___getdirentries64 __getdirentries64 "/usr/lib/libSystem.B.dylib"
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Lstat(path string, stat *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

unix/zsyscall_darwin_386.go

@@ -837,23 +837,6 @@ func Ftruncate(fd int, length int64) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
 	size = int(r0)
@@ -1725,6 +1708,23 @@ func Fstatfs(fd int, stat *Statfs_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Lstat(path string, stat *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

unix/zsyscall_darwin_386.s

@@ -134,8 +134,6 @@ TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fsync(SB)
 TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_ftruncate(SB)
-TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc___getdirentries64(SB)
 TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getdtablesize(SB)
 TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0
@@ -268,6 +266,8 @@ TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstatat64(SB)
 TEXT ·libc_fstatfs64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstatfs64(SB)
+TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___getdirentries64(SB)
 TEXT ·libc_lstat64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_lstat64(SB)
 TEXT ·libc_stat64_trampoline(SB),NOSPLIT,$0-0

unix/zsyscall_darwin_amd64.1_12.go

@@ -1097,27 +1097,6 @@ func libc_ftruncate_trampoline()
 //go:cgo_import_dynamic libc_ftruncate ftruncate "/usr/lib/libSystem.B.dylib"
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := syscall_syscall6(funcPC(libc___getdirentries64_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func libc___getdirentries64_trampoline()
-
-//go:linkname libc___getdirentries64 libc___getdirentries64
-//go:cgo_import_dynamic libc___getdirentries64 __getdirentries64 "/usr/lib/libSystem.B.dylib"
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := syscall_syscall(funcPC(libc_getdtablesize_trampoline), 0, 0, 0)
 	size = int(r0)
@@ -2253,6 +2232,27 @@ func libc_fstatfs64_trampoline()
 //go:cgo_import_dynamic libc_fstatfs64 fstatfs64 "/usr/lib/libSystem.B.dylib"
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := syscall_syscall6(funcPC(libc___getdirentries64_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc___getdirentries64_trampoline()
+
+//go:linkname libc___getdirentries64 libc___getdirentries64
+//go:cgo_import_dynamic libc___getdirentries64 __getdirentries64 "/usr/lib/libSystem.B.dylib"
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Lstat(path string, stat *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

unix/zsyscall_darwin_amd64.go

@@ -837,23 +837,6 @@ func Ftruncate(fd int, length int64) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
 	size = int(r0)
@@ -1725,6 +1708,23 @@ func Fstatfs(fd int, stat *Statfs_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Lstat(path string, stat *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

unix/zsyscall_darwin_amd64.s

@@ -134,8 +134,6 @@ TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fsync(SB)
 TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_ftruncate(SB)
-TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc___getdirentries64(SB)
 TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getdtablesize(SB)
 TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0
@@ -268,6 +266,8 @@ TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstatat64(SB)
 TEXT ·libc_fstatfs64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstatfs64(SB)
+TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___getdirentries64(SB)
 TEXT ·libc_lstat64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_lstat64(SB)
 TEXT ·libc_stat64_trampoline(SB),NOSPLIT,$0-0

unix/zsyscall_darwin_arm.1_12.go

@@ -1097,27 +1097,6 @@ func libc_ftruncate_trampoline()
 //go:cgo_import_dynamic libc_ftruncate ftruncate "/usr/lib/libSystem.B.dylib"
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := syscall_syscall6(funcPC(libc___getdirentries64_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func libc___getdirentries64_trampoline()
-
-//go:linkname libc___getdirentries64 libc___getdirentries64
-//go:cgo_import_dynamic libc___getdirentries64 __getdirentries64 "/usr/lib/libSystem.B.dylib"
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := syscall_syscall(funcPC(libc_getdtablesize_trampoline), 0, 0, 0)
 	size = int(r0)

unix/zsyscall_darwin_arm.go

@@ -837,23 +837,6 @@ func Ftruncate(fd int, length int64) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
 	size = int(r0)

unix/zsyscall_darwin_arm.s

@@ -134,8 +134,6 @@ TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fsync(SB)
 TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_ftruncate(SB)
-TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc___getdirentries64(SB)
 TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getdtablesize(SB)
 TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0

unix/zsyscall_darwin_arm64.1_12.go

@@ -1097,27 +1097,6 @@ func libc_ftruncate_trampoline()
 //go:cgo_import_dynamic libc_ftruncate ftruncate "/usr/lib/libSystem.B.dylib"
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := syscall_syscall6(funcPC(libc___getdirentries64_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func libc___getdirentries64_trampoline()
-
-//go:linkname libc___getdirentries64 libc___getdirentries64
-//go:cgo_import_dynamic libc___getdirentries64 __getdirentries64 "/usr/lib/libSystem.B.dylib"
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := syscall_syscall(funcPC(libc_getdtablesize_trampoline), 0, 0, 0)
 	size = int(r0)

unix/zsyscall_darwin_arm64.go

@@ -837,23 +837,6 @@ func Ftruncate(fd int, length int64) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(_p0), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Getdtablesize() (size int) {
 	r0, _, _ := Syscall(SYS_GETDTABLESIZE, 0, 0, 0)
 	size = int(r0)

unix/zsyscall_darwin_arm64.s

@@ -134,8 +134,6 @@ TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fsync(SB)
 TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_ftruncate(SB)
-TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc___getdirentries64(SB)
 TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getdtablesize(SB)
 TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0