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mmap_freebsd_32.go (712B)

      1 // Copyright 2009 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE-GO file.
      4 
      5 //go:build (freebsd && 386) || (freebsd && arm)
      6 // +build freebsd,386 freebsd,arm
      7 
      8 package memory
      9 
     10 import (
     11 	"syscall"
     12 )
     13 
     14 // https://cs.opensource.google/go/go/+/refs/tags/go1.17.8:src/syscall/zsyscall_freebsd_386.go
     15 func mmapSyscall(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
     16 	r0, _, e1 := syscall.Syscall9(syscall.SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos), uintptr(pos>>32), 0, 0)
     17 	ret = uintptr(r0)
     18 	if e1 != 0 {
     19 		err = e1
     20 	}
     21 	return
     22 }