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mman.h 2.0 KB

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  1. //
  2. // Copyright 2026 Aarav Ravindra Kharade
  3. //
  4. // Licensed under the Apache License, Version 2.0 (the "License");
  5. // you may not use this file except in compliance with the License.
  6. // You may obtain a copy of the License at
  7. //
  8. // http://www.apache.org/licenses/LICENSE-2.0
  9. //
  10. // Unless required by applicable law or agreed to in writing, software
  11. // distributed under the License is distributed on an "AS IS" BASIS,
  12. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. // See the License for the specific language governing permissions and
  14. // limitations under the License.
  15. //
  16. /* Definitions for POSIX memory map interface. Linux/x86_64 version.
  17. Copyright (C) 2001-2026 Free Software Foundation, Inc.
  18. This file is part of the GNU C Library.
  19. The GNU C Library is free software; you can redistribute it and/or
  20. modify it under the terms of the GNU Lesser General Public
  21. License as published by the Free Software Foundation; either
  22. version 2.1 of the License, or (at your option) any later version.
  23. The GNU C Library is distributed in the hope that it will be useful,
  24. but WITHOUT ANY WARRANTY; without even the implied warranty of
  25. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  26. Lesser General Public License for more details.
  27. You should have received a copy of the GNU Lesser General Public
  28. License along with the GNU C Library; if not, see
  29. <https://www.gnu.org/licenses/>. */
  30. #ifndef _SYS_MMAN_H
  31. # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
  32. #endif
  33. /* The following definitions basically come from the kernel headers.
  34. But the kernel header is not namespace clean. */
  35. /* Other flags. */
  36. #define MAP_32BIT 0x40 /* Only give out 32-bit addresses. */
  37. #define MAP_ABOVE4G 0x80 /* Only map above 4GB. */
  38. #ifdef __USE_MISC
  39. /* Set up a restore token in the newly allocated shadow stack */
  40. # define SHADOW_STACK_SET_TOKEN 0x1
  41. #endif
  42. #include <bits/mman-map-flags-generic.h>
  43. /* Include generic Linux declarations. */
  44. #include <bits/mman-linux.h>