MAP_ANON should be set to -1 , not required on Linux, required on BSD. + go fmt

Author: gboddin

loader/mmap_unix.go

@@ -20,26 +20,25 @@
 package loader
 
 import (
-    `syscall`
+	"syscall"
 )
 
 const (
-    _AP = syscall.MAP_ANON  | syscall.MAP_PRIVATE
-    _RX = syscall.PROT_READ | syscall.PROT_EXEC
-    _RW = syscall.PROT_READ | syscall.PROT_WRITE
+	_AP = syscall.MAP_ANON | syscall.MAP_PRIVATE
+	_RX = syscall.PROT_READ | syscall.PROT_EXEC
+	_RW = syscall.PROT_READ | syscall.PROT_WRITE
 )
 
-
 func mmap(nb int) uintptr {
-    if m, _, e := syscall.RawSyscall6(syscall.SYS_MMAP, 0, uintptr(nb), _RW, _AP, 0, 0); e != 0 {
-        panic(e)
-    } else {
-        return m
-    }
+	if m, _, e := syscall.RawSyscall6(syscall.SYS_MMAP, 0, uintptr(nb), _RW, _AP, ^uintptr(0), 0); e != 0 {
+		panic(e)
+	} else {
+		return m
+	}
 }
 
 func mprotect(p uintptr, nb int) {
-    if _, _, err := syscall.RawSyscall(syscall.SYS_MPROTECT, p, uintptr(nb), _RX); err != 0 {
-        panic(err)
-    }
+	if _, _, err := syscall.RawSyscall(syscall.SYS_MPROTECT, p, uintptr(nb), _RX); err != 0 {
+		panic(err)
+	}
 }