modernc.org/memory@v1.8.0/mmap_linux_64.go (about) 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 linux && (amd64 || arm64 || mips64 || mips64le || riscv64 || ppc64le || loong64) 6 // +build linux 7 // +build amd64 arm64 mips64 mips64le riscv64 ppc64le loong64 8 9 package memory 10 11 import ( 12 "syscall" 13 ) 14 15 // Function syscall.mmap is same for linux/amd64, linux/arm64, linux/mips64, 16 // linux/mips64le and linux/riscv64. 17 18 // https://cs.opensource.google/go/go/+/refs/tags/go1.17.8:src/syscall/zsyscall_linux_amd64.go;l=1575-1584 19 func mmapSyscall(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 20 r0, _, e1 := syscall.Syscall6(syscall.SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)) 21 xaddr = uintptr(r0) 22 if e1 != 0 { 23 err = e1 24 } 25 return 26 }