forked from mirrors/gotosocial
26 lines
877 B
Go
26 lines
877 B
Go
// Copyright 2009 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE-GO file.
|
|
|
|
//go:build linux && (amd64 || arm64 || mips64 || mips64le || riscv64)
|
|
// +build linux
|
|
// +build amd64 arm64 mips64 mips64le riscv64
|
|
|
|
package memory
|
|
|
|
import (
|
|
"syscall"
|
|
)
|
|
|
|
// Function syscall.mmap is same for linux/amd64, linux/arm64, linux/mips64,
|
|
// linux/mips64le and linux/riscv64.
|
|
|
|
// https://cs.opensource.google/go/go/+/refs/tags/go1.17.8:src/syscall/zsyscall_linux_amd64.go;l=1575-1584
|
|
func mmapSyscall(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
|
|
r0, _, e1 := syscall.Syscall6(syscall.SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset))
|
|
xaddr = uintptr(r0)
|
|
if e1 != 0 {
|
|
err = e1
|
|
}
|
|
return
|
|
}
|