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syscall: drop compatibility for FreeBSD < 10.0 

Change-Id: Idd8cee84215e61817a86915160c91242670798af
Reviewed-on: https://go-review.googlesource.com/c/go/+/431663
Reviewed-by: Yuval Pavel Zholkover <paulzhol@gmail.com>
Reviewed-by: Dmitri Goutnik <dgoutnik@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Tobias Klauser 2022-09-19 10:52:27 +02:00 committed by Gopher Robot
parent b5fcb35b31
commit 1e96f42c2a
2 changed files with 5 additions and 22 deletions
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3
src/syscall/route_freebsd_32bit.go
View File

@ -22,12 +22,9 @@ func (any *anyMessage) parseInterfaceMessage(b []byte) *InterfaceMessage {
// FreeBSD 10 and beyond have a restructured mbuf // FreeBSD 10 and beyond have a restructured mbuf
// packet header view. // packet header view.
// See https://svnweb.freebsd.org/base?view=revision&revision=254804. // See https://svnweb.freebsd.org/base?view=revision&revision=254804.
if supportsABI(1000000) {
m := (*ifMsghdr)(unsafe.Pointer(any)) m := (*ifMsghdr)(unsafe.Pointer(any))
p.Header.Data.Hwassist = uint32(m.Data.Hwassist) p.Header.Data.Hwassist = uint32(m.Data.Hwassist)
p.Header.Data.Epoch = m.Data.Epoch p.Header.Data.Epoch = m.Data.Epoch
p.Header.Data.Lastchange = m.Data.Lastchange p.Header.Data.Lastchange = m.Data.Lastchange
return &InterfaceMessage{Header: p.Header, Data: b[int(unsafe.Offsetof(p.Header.Data))+int(p.Header.Data.Datalen) : any.Msglen]} return &InterfaceMessage{Header: p.Header, Data: b[int(unsafe.Offsetof(p.Header.Data))+int(p.Header.Data.Datalen) : any.Msglen]}
} }
return &InterfaceMessage{Header: p.Header, Data: b[int(unsafe.Offsetof(p.Header.Data))+int(p.Header.Data.Datalen) : any.Msglen]}
}

16
src/syscall/syscall_freebsd.go
View File

@ -12,27 +12,13 @@
package syscall package syscall
import ( import "unsafe"
"sync"
"unsafe"
)
func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) 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 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 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 RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
// See https://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/versions.html.
var (
osreldateOnce sync.Once
osreldate uint32
)
func supportsABI(ver uint32) bool {
osreldateOnce.Do(func() { osreldate, _ = SysctlUint32("kern.osreldate") })
return osreldate >= ver
}
type SockaddrDatalink struct { type SockaddrDatalink struct {
Len uint8 Len uint8
Family uint8 Family uint8