ulinux/archs/x86/mmap.h

   1 #ifndef ULINUX_ARCH_MMAP_H
   2 #define ULINUX_ARCH_MMAP_H
   3 /*******************************************************************************
   4 this code is protected by the GNU affero GPLv3
   5 author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
   6 *******************************************************************************/
   7 struct ulinux_mmap_arg_struct32{
   8         ulinux_ui addr;
   9         ulinux_ui len;
  10         ulinux_ui prot;
  11         ulinux_ui flags;
  12         ulinux_ui fd;
  13         ulinux_ui offset;
  14 };
  15
  16 #define ULINUX_PAGE_SZ 4096
  17
  18 #define ULINUX_MAP_GROWSDOWN  0x0100/*stack-like segment*/
  19 #define ULINUX_MAP_DENYWRITE  0x0800/*ETXTBSY*/
  20 #define ULINUX_MAP_EXECUTABLE 0x1000/*mark it as an executable*/
  21 #define ULINUX_MAP_LOCKED     0x2000/*pages are locked*/
  22 #define ULINUX_MAP_NORESERVE  0x4000/*don't check for reservations*/
  23 #define ULINUX_MAP_POPULATE   0x8000/*populate (prefault) pagetables*/
  24 #define ULINUX_MAP_NONBLOCK   0x10000/*do not block on IO*/
  25 #define ULINUX_MAP_STACK      0x20000/*give out an address that is best suited
  26                                        for process/thread stacks*/
  27 #define ULINUX_MAP_HUGETLB    0x40000/*create a huge page mapping*/
  28
  29 #define ULINUX_MCL_CURRENT 1/*lock all current mappings*/
  30 #define ULINUX_MCL_FUTURE  2/*lock all future mappings*/
  31 #endif