mmap_linux_s390x.go (892B)
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 package memory 6 7 import ( 8 "syscall" 9 "unsafe" 10 ) 11 12 // https://cs.opensource.google/go/go/+/refs/tags/go1.17.8:src/syscall/syscall_linux_s390x.go;l=105-115 13 // Linux on s390x uses the old mmap interface, which requires arguments to be passed in a struct. 14 // mmap2 also requires arguments to be passed in a struct; it is currently not exposed in <asm/unistd.h>. 15 func mmapSyscall(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 16 mmap_args := [6]uintptr{addr, length, uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)} 17 r0, _, e1 := syscall.Syscall(syscall.SYS_MMAP, uintptr(unsafe.Pointer(&mmap_args[0])), 0, 0) 18 xaddr = uintptr(r0) 19 if e1 != 0 { 20 err = e1 21 } 22 return 23 }