syscall: remove unused writelen

Change-Id: I3c0e9e405120ef595712741a2f8e963cbb0733dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/529035
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

37 files changed, 0 insertions, 343 deletions

diff --git a/src/syscall/syscall_darwin.go b/src/syscall/syscall_darwin.go
index a9639e3913..670934cce1 100644
--- a/src/syscall/syscall_darwin.go
+++ b/src/syscall/syscall_darwin.go
@@ -247,15 +247,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 	return
 }
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := syscall(abi.FuncPCABI0(libc_write_trampoline), uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	// Simulate Getdirentries using fdopendir/readdir_r/closedir.
 	// We store the number of entries to skip in the seek
diff --git a/src/syscall/syscall_dragonfly.go b/src/syscall/syscall_dragonfly.go
index 6cb506b300..30936c7389 100644
--- a/src/syscall/syscall_dragonfly.go
+++ b/src/syscall/syscall_dragonfly.go
@@ -257,7 +257,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 //sys   mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
 //sys   munmap(addr uintptr, length uintptr) (err error)
 //sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
-//sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
 //sys	accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error)
 //sys	utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
 //sys	getcwd(buf []byte) (n int, err error) = SYS___GETCWD
diff --git a/src/syscall/syscall_freebsd.go b/src/syscall/syscall_freebsd.go
index a0faa817ea..584522d288 100644
--- a/src/syscall/syscall_freebsd.go
+++ b/src/syscall/syscall_freebsd.go
@@ -250,7 +250,6 @@ func Mknod(path string, mode uint32, dev uint64) (err error) {
 //sys   mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
 //sys   munmap(addr uintptr, length uintptr) (err error)
 //sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
-//sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
 //sys	accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error)
 //sys	utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
 //sys	getcwd(buf []byte) (n int, err error) = SYS___GETCWD
diff --git a/src/syscall/syscall_linux.go b/src/syscall/syscall_linux.go
index e012c1b943..aa0cf111fe 100644
--- a/src/syscall/syscall_linux.go
+++ b/src/syscall/syscall_linux.go
@@ -1246,7 +1246,6 @@ func Setuid(uid int) (err error) {
 //sys	write(fd int, p []byte) (n int, err error)
 //sys	exitThread(code int) (err error) = SYS_EXIT
 //sys	readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ
-//sys	writelen(fd int, p *byte, np int) (n int, err error) = SYS_WRITE
 
 // mmap varies by architecture; see syscall_linux_*.go.
 //sys	munmap(addr uintptr, length uintptr) (err error)
diff --git a/src/syscall/syscall_netbsd.go b/src/syscall/syscall_netbsd.go
index 333dd3ade6..5a239f8cd3 100644
--- a/src/syscall/syscall_netbsd.go
+++ b/src/syscall/syscall_netbsd.go
@@ -239,7 +239,6 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
 //sys	munmap(addr uintptr, length uintptr) (err error)
 //sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
-//sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
 //sys	utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
 //sys	getcwd(buf []byte) (n int, err error) = SYS___GETCWD
 //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
diff --git a/src/syscall/syscall_openbsd1.go b/src/syscall/syscall_openbsd1.go
index bddeda637a..6c24243b45 100644
--- a/src/syscall/syscall_openbsd1.go
+++ b/src/syscall/syscall_openbsd1.go
@@ -7,7 +7,6 @@
 package syscall
 
 //sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
-//sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
 //sys	getcwd(buf []byte) (n int, err error) = SYS___GETCWD
 //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
diff --git a/src/syscall/syscall_openbsd_libc.go b/src/syscall/syscall_openbsd_libc.go
index 516d02975c..4dbc9034e3 100644
--- a/src/syscall/syscall_openbsd_libc.go
+++ b/src/syscall/syscall_openbsd_libc.go
@@ -58,7 +58,6 @@ func syscall9X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 }
 
 //sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_read
-//sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_write
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_lseek
 //sys	getcwd(buf []byte) (n int, err error)
 //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error)
diff --git a/src/syscall/syscall_solaris.go b/src/syscall/syscall_solaris.go
index 523a2a8429..243794940e 100644
--- a/src/syscall/syscall_solaris.go
+++ b/src/syscall/syscall_solaris.go
@@ -527,15 +527,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 	return
 }
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&libc_write)), 3, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf), 0, 0, 0)
-	n = int(r0)
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
 var mapper = &mmapper{
 	active: make(map[*byte][]byte),
 	mmap:   mmap,
diff --git a/src/syscall/zsyscall_dragonfly_amd64.go b/src/syscall/zsyscall_dragonfly_amd64.go
index a591682b7d..26ddc18990 100644
--- a/src/syscall/zsyscall_dragonfly_amd64.go
+++ b/src/syscall/zsyscall_dragonfly_amd64.go
@@ -1284,17 +1284,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	nfd = int(r0)
diff --git a/src/syscall/zsyscall_freebsd_386.go b/src/syscall/zsyscall_freebsd_386.go
index e729adcc68..f56341457f 100644
--- a/src/syscall/zsyscall_freebsd_386.go
+++ b/src/syscall/zsyscall_freebsd_386.go
@@ -1255,17 +1255,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	nfd = int(r0)
diff --git a/src/syscall/zsyscall_freebsd_amd64.go b/src/syscall/zsyscall_freebsd_amd64.go
index df0b817b22..b776121b97 100644
--- a/src/syscall/zsyscall_freebsd_amd64.go
+++ b/src/syscall/zsyscall_freebsd_amd64.go
@@ -1255,17 +1255,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	nfd = int(r0)
diff --git a/src/syscall/zsyscall_freebsd_arm.go b/src/syscall/zsyscall_freebsd_arm.go
index abd4bf1639..b8e0aab67c 100644
--- a/src/syscall/zsyscall_freebsd_arm.go
+++ b/src/syscall/zsyscall_freebsd_arm.go
@@ -1255,17 +1255,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	nfd = int(r0)
diff --git a/src/syscall/zsyscall_freebsd_arm64.go b/src/syscall/zsyscall_freebsd_arm64.go
index b86cfb5d85..9d94c5038c 100644
--- a/src/syscall/zsyscall_freebsd_arm64.go
+++ b/src/syscall/zsyscall_freebsd_arm64.go
@@ -1255,17 +1255,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	nfd = int(r0)
diff --git a/src/syscall/zsyscall_freebsd_riscv64.go b/src/syscall/zsyscall_freebsd_riscv64.go
index ad195e8cae..f73c4cd810 100644
--- a/src/syscall/zsyscall_freebsd_riscv64.go
+++ b/src/syscall/zsyscall_freebsd_riscv64.go
@@ -1255,17 +1255,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	nfd = int(r0)
diff --git a/src/syscall/zsyscall_linux_386.go b/src/syscall/zsyscall_linux_386.go
index 8e0de44abf..51f2066558 100644
--- a/src/syscall/zsyscall_linux_386.go
+++ b/src/syscall/zsyscall_linux_386.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_amd64.go b/src/syscall/zsyscall_linux_amd64.go
index c3ee372fec..be00d5857a 100644
--- a/src/syscall/zsyscall_linux_amd64.go
+++ b/src/syscall/zsyscall_linux_amd64.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_arm.go b/src/syscall/zsyscall_linux_arm.go
index a72355f96f..245a44a4d8 100644
--- a/src/syscall/zsyscall_linux_arm.go
+++ b/src/syscall/zsyscall_linux_arm.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_arm64.go b/src/syscall/zsyscall_linux_arm64.go
index b7c7a38626..fa0d8fd110 100644
--- a/src/syscall/zsyscall_linux_arm64.go
+++ b/src/syscall/zsyscall_linux_arm64.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_loong64.go b/src/syscall/zsyscall_linux_loong64.go
index 51ebfc0eb9..74ec8f50c5 100644
--- a/src/syscall/zsyscall_linux_loong64.go
+++ b/src/syscall/zsyscall_linux_loong64.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_mips.go b/src/syscall/zsyscall_linux_mips.go
index af75dc724a..2f4ecb3dac 100644
--- a/src/syscall/zsyscall_linux_mips.go
+++ b/src/syscall/zsyscall_linux_mips.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_mips64.go b/src/syscall/zsyscall_linux_mips64.go
index c66730009b..e99d85aab2 100644
--- a/src/syscall/zsyscall_linux_mips64.go
+++ b/src/syscall/zsyscall_linux_mips64.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_mips64le.go b/src/syscall/zsyscall_linux_mips64le.go
index 407bea751e..a856ee370b 100644
--- a/src/syscall/zsyscall_linux_mips64le.go
+++ b/src/syscall/zsyscall_linux_mips64le.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_mipsle.go b/src/syscall/zsyscall_linux_mipsle.go
index 7c5ea99668..ab9b1c86ff 100644
--- a/src/syscall/zsyscall_linux_mipsle.go
+++ b/src/syscall/zsyscall_linux_mipsle.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_ppc64.go b/src/syscall/zsyscall_linux_ppc64.go
index 1e82f4b45c..c22a14f939 100644
--- a/src/syscall/zsyscall_linux_ppc64.go
+++ b/src/syscall/zsyscall_linux_ppc64.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_ppc64le.go b/src/syscall/zsyscall_linux_ppc64le.go
index ddc1c8130e..381b2a5501 100644
--- a/src/syscall/zsyscall_linux_ppc64le.go
+++ b/src/syscall/zsyscall_linux_ppc64le.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_riscv64.go b/src/syscall/zsyscall_linux_riscv64.go
index c59cad035c..b3254c8217 100644
--- a/src/syscall/zsyscall_linux_riscv64.go
+++ b/src/syscall/zsyscall_linux_riscv64.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_linux_s390x.go b/src/syscall/zsyscall_linux_s390x.go
index 29be487f52..2223808cbd 100644
--- a/src/syscall/zsyscall_linux_s390x.go
+++ b/src/syscall/zsyscall_linux_s390x.go
@@ -977,17 +977,6 @@ func readlen(fd int, p *byte, np int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, p *byte, np int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(np))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
diff --git a/src/syscall/zsyscall_netbsd_386.go b/src/syscall/zsyscall_netbsd_386.go
index e401d02d02..7dd57d65e9 100644
--- a/src/syscall/zsyscall_netbsd_386.go
+++ b/src/syscall/zsyscall_netbsd_386.go
@@ -1218,17 +1218,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/src/syscall/zsyscall_netbsd_amd64.go b/src/syscall/zsyscall_netbsd_amd64.go
index a4f217b948..562861f02b 100644
--- a/src/syscall/zsyscall_netbsd_amd64.go
+++ b/src/syscall/zsyscall_netbsd_amd64.go
@@ -1218,17 +1218,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/src/syscall/zsyscall_netbsd_arm.go b/src/syscall/zsyscall_netbsd_arm.go
index 1f55614f64..f07348f821 100644
--- a/src/syscall/zsyscall_netbsd_arm.go
+++ b/src/syscall/zsyscall_netbsd_arm.go
@@ -1218,17 +1218,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/src/syscall/zsyscall_netbsd_arm64.go b/src/syscall/zsyscall_netbsd_arm64.go
index be33fcd412..9c479e75f3 100644
--- a/src/syscall/zsyscall_netbsd_arm64.go
+++ b/src/syscall/zsyscall_netbsd_arm64.go
@@ -1218,17 +1218,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/src/syscall/zsyscall_openbsd_386.go b/src/syscall/zsyscall_openbsd_386.go
index b3a4b73124..40daa69d8b 100644
--- a/src/syscall/zsyscall_openbsd_386.go
+++ b/src/syscall/zsyscall_openbsd_386.go
@@ -1705,17 +1705,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := syscall(abi.FuncPCABI0(libc_write_trampoline), uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	r0, r1, e1 := syscall6X(abi.FuncPCABI0(libc_lseek_trampoline), uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0)
 	newoffset = int64(int64(r1)<<32 | int64(r0))
diff --git a/src/syscall/zsyscall_openbsd_amd64.go b/src/syscall/zsyscall_openbsd_amd64.go
index 15cd8cce27..f1ac6b547a 100644
--- a/src/syscall/zsyscall_openbsd_amd64.go
+++ b/src/syscall/zsyscall_openbsd_amd64.go
@@ -1705,17 +1705,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := syscall(abi.FuncPCABI0(libc_write_trampoline), uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	r0, _, e1 := syscallX(abi.FuncPCABI0(libc_lseek_trampoline), uintptr(fd), uintptr(offset), uintptr(whence))
 	newoffset = int64(r0)
diff --git a/src/syscall/zsyscall_openbsd_arm.go b/src/syscall/zsyscall_openbsd_arm.go
index 90b493f1ec..5d6d9d38ec 100644
--- a/src/syscall/zsyscall_openbsd_arm.go
+++ b/src/syscall/zsyscall_openbsd_arm.go
@@ -1705,17 +1705,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := syscall(abi.FuncPCABI0(libc_write_trampoline), uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	r0, r1, e1 := syscall6X(abi.FuncPCABI0(libc_lseek_trampoline), uintptr(fd), 0, uintptr(offset), uintptr(offset>>32), uintptr(whence), 0)
 	newoffset = int64(int64(r1)<<32 | int64(r0))
diff --git a/src/syscall/zsyscall_openbsd_arm64.go b/src/syscall/zsyscall_openbsd_arm64.go
index 6615336043..9f8815adfd 100644
--- a/src/syscall/zsyscall_openbsd_arm64.go
+++ b/src/syscall/zsyscall_openbsd_arm64.go
@@ -1705,17 +1705,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := syscall(abi.FuncPCABI0(libc_write_trampoline), uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	r0, _, e1 := syscallX(abi.FuncPCABI0(libc_lseek_trampoline), uintptr(fd), uintptr(offset), uintptr(whence))
 	newoffset = int64(r0)
diff --git a/src/syscall/zsyscall_openbsd_mips64.go b/src/syscall/zsyscall_openbsd_mips64.go
index 2a91c36831..1fbb2d1394 100644
--- a/src/syscall/zsyscall_openbsd_mips64.go
+++ b/src/syscall/zsyscall_openbsd_mips64.go
@@ -1242,17 +1242,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/src/syscall/zsyscall_openbsd_ppc64.go b/src/syscall/zsyscall_openbsd_ppc64.go
index 6bbe0f4f4f..cd99f159d7 100644
--- a/src/syscall/zsyscall_openbsd_ppc64.go
+++ b/src/syscall/zsyscall_openbsd_ppc64.go
@@ -1705,17 +1705,6 @@ func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
-	r0, _, e1 := syscall(abi.FuncPCABI0(libc_write_trampoline), uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
-	n = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	r0, _, e1 := syscallX(abi.FuncPCABI0(libc_lseek_trampoline), uintptr(fd), uintptr(offset), uintptr(whence))
 	newoffset = int64(r0)