mman.h 1.4 KB

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  1. /* Definitions for POSIX memory map interface. Linux/x86_64 version.
  2. Copyright (C) 2001-2026 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #ifndef _SYS_MMAN_H
  16. # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
  17. #endif
  18. /* The following definitions basically come from the kernel headers.
  19. But the kernel header is not namespace clean. */
  20. /* Other flags. */
  21. #define MAP_32BIT 0x40 /* Only give out 32-bit addresses. */
  22. #define MAP_ABOVE4G 0x80 /* Only map above 4GB. */
  23. #ifdef __USE_MISC
  24. /* Set up a restore token in the newly allocated shadow stack */
  25. # define SHADOW_STACK_SET_TOKEN 0x1
  26. #endif
  27. #include <bits/mman-map-flags-generic.h>
  28. /* Include generic Linux declarations. */
  29. #include <bits/mman-linux.h>