diff --git a/src/syscall/syscall_aix.go b/src/syscall/syscall_aix.go
index a2f8c7843894345757bf2ec419a5f3930c431068..693424165e776d9c49d145d61104c6b626547385 100644
--- a/src/syscall/syscall_aix.go
+++ b/src/syscall/syscall_aix.go
@@ -15,6 +15,11 @@ import (
 	"unsafe"
 )
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 // Implemented in runtime/syscall_aix.go.
 func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
 func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
diff --git a/src/syscall/syscall_darwin.go b/src/syscall/syscall_darwin.go
index 2e5387a6d9ba2faa0495a20e7bf0f274fa76d4f7..663bd98c104f517dba0a351b268dcdcac4907299 100644
--- a/src/syscall/syscall_darwin.go
+++ b/src/syscall/syscall_darwin.go
@@ -17,6 +17,11 @@ import (
 	"unsafe"
 )
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 var dupTrampoline = abi.FuncPCABI0(libc_dup2_trampoline)
 
 type SockaddrDatalink struct {
diff --git a/src/syscall/syscall_dragonfly.go b/src/syscall/syscall_dragonfly.go
index d8edca996145aa38e3f898d39acd91058471c620..3628895ef93250f60bbe768d1d7735b0817d6c44 100644
--- a/src/syscall/syscall_dragonfly.go
+++ b/src/syscall/syscall_dragonfly.go
@@ -17,6 +17,11 @@ import (
 	"unsafe"
 )
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 const _SYS_DUP3 = 0
 
 // See version list in https://github.com/DragonFlyBSD/DragonFlyBSD/blob/master/sys/sys/param.h
diff --git a/src/syscall/syscall_freebsd.go b/src/syscall/syscall_freebsd.go
index 8494b21e5b7600160ceac642f049744778a80c0b..0637215f8921bdab992f3faa1623cab3ade8bf70 100644
--- a/src/syscall/syscall_freebsd.go
+++ b/src/syscall/syscall_freebsd.go
@@ -17,6 +17,11 @@ import (
 	"unsafe"
 )
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 const (
 	_SYS_FSTAT_FREEBSD12         = 551 // { int fstat(int fd, _Out_ struct stat *sb); }
 	_SYS_FSTATAT_FREEBSD12       = 552 // { int fstatat(int fd, _In_z_ char *path, _Out_ struct stat *buf, int flag); }
diff --git a/src/syscall/syscall_linux.go b/src/syscall/syscall_linux.go
index 74322caea12b95afe80f12c1e191e6f75d69522c..a10bfbb0c9eb2abbd70e5dbc2e7003dc1d8214a1 100644
--- a/src/syscall/syscall_linux.go
+++ b/src/syscall/syscall_linux.go
@@ -16,6 +16,11 @@ import (
 	"unsafe"
 )
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 func rawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
 
 /*
diff --git a/src/syscall/syscall_netbsd.go b/src/syscall/syscall_netbsd.go
index 9ccb66c0838a98e0be532dd516257fa6d0d0ce9e..07afa072fc7597e0848b394ac0704222269571cc 100644
--- a/src/syscall/syscall_netbsd.go
+++ b/src/syscall/syscall_netbsd.go
@@ -14,6 +14,12 @@ package syscall
 
 import "unsafe"
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 const _SYS_DUP3 = SYS_DUP3
 
 type SockaddrDatalink struct {
@@ -28,8 +34,6 @@ type SockaddrDatalink struct {
 	raw    RawSockaddrDatalink
 }
 
-func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
-
 func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) {
 	var olen uintptr
 
diff --git a/src/syscall/syscall_openbsd.go b/src/syscall/syscall_openbsd.go
index 1d8235108441951c3696965e36b20fd7f678b8df..19cf1f4985b96b0f14c93bc29125bb439f31d708 100644
--- a/src/syscall/syscall_openbsd.go
+++ b/src/syscall/syscall_openbsd.go
@@ -14,6 +14,12 @@ package syscall
 
 import "unsafe"
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 type SockaddrDatalink struct {
 	Len    uint8
 	Family uint8
@@ -26,8 +32,6 @@ type SockaddrDatalink struct {
 	raw    RawSockaddrDatalink
 }
 
-func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
-
 func nametomib(name string) (mib []_C_int, err error) {
 	// Perform lookup via a binary search
 	left := 0
diff --git a/src/syscall/syscall_solaris.go b/src/syscall/syscall_solaris.go
index 37ce5c9e3c2bf9c70b7797577289850c1795c877..e591ae6671a2c5afa3586dbb1e13e36ebd6faa00 100644
--- a/src/syscall/syscall_solaris.go
+++ b/src/syscall/syscall_solaris.go
@@ -14,6 +14,11 @@ package syscall
 
 import "unsafe"
 
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
 const _F_DUP2FD_CLOEXEC = F_DUP2FD_CLOEXEC
 
 // Implemented in asm_solaris_amd64.s.
diff --git a/src/syscall/syscall_unix.go b/src/syscall/syscall_unix.go
index e12f024fe75bdbe7dcd6a6c2e930d99f0dc27b10..cf0e238e2f49517f28889c913cd331f5b5fa17de 100644
--- a/src/syscall/syscall_unix.go
+++ b/src/syscall/syscall_unix.go
@@ -28,11 +28,6 @@ const (
 	netbsd32Bit = runtime.GOOS == "netbsd" && sizeofPtr == 4
 )
 
-func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
-func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
-func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-
 // clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
 func clen(n []byte) int {
 	if i := bytealg.IndexByte(n, 0); i != -1 {