github.com/eh-steve/goloader@v0.0.0-20240111193454-90ff3cfdae39/mmap/zsyscall_6.go (about) 1 //go:build linux || freebsd 2 // +build linux freebsd 3 4 package mmap 5 6 import ( 7 "syscall" 8 ) 9 10 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 11 r0, _, e1 := syscall.Syscall6(syscall.SYS_MMAP, addr, length, uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)) 12 xaddr = r0 13 if e1 != 0 { 14 err = errnoErr(e1) 15 } 16 return 17 } 18 19 func munmap(addr uintptr, length uintptr) (err error) { 20 _, _, e1 := syscall.Syscall(syscall.SYS_MUNMAP, addr, length, 0) 21 if e1 != 0 { 22 err = errnoErr(e1) 23 } 24 return 25 }