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//go:build (freebsd || netbsd || dragonfly) && !tinygo
package platform
import (
"syscall"
"unsafe"
)
// MprotectRX is like syscall.Mprotect with RX permission, defined locally so that BSD compiles.
func MprotectRX(b []byte) (err error) {
var _p0 unsafe.Pointer
if len(b) > 0 {
_p0 = unsafe.Pointer(&b[0])
}
const prot = syscall.PROT_READ | syscall.PROT_EXEC
_, _, e1 := syscall.Syscall(syscall.SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
if e1 != 0 {
err = syscall.Errno(e1)
}
return
}
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