dl-procinfo.h 1.6 KB

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  1. /* x86 version of processor capability information handling macros.
  2. Copyright (C) 2017-2019 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. <http://www.gnu.org/licenses/>. */
  15. #ifndef _DL_PROCINFO_H
  16. #define _DL_PROCINFO_H 1
  17. #include <ldsodefs.h>
  18. #include <dl-hwcap.h>
  19. #define _DL_HWCAP_COUNT HWCAP_COUNT
  20. #define _DL_PLATFORMS_COUNT HWCAP_PLATFORMS_COUNT
  21. /* Start at 48 to reserve spaces for hardware capabilities. */
  22. #define _DL_FIRST_PLATFORM 48
  23. /* Mask to filter out platforms. */
  24. #define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \
  25. << _DL_FIRST_PLATFORM)
  26. static inline int
  27. __attribute__ ((unused, always_inline))
  28. _dl_string_platform (const char *str)
  29. {
  30. int i;
  31. if (str != NULL)
  32. for (i = HWCAP_PLATFORMS_START; i < HWCAP_PLATFORMS_COUNT; ++i)
  33. {
  34. if (strcmp (str, GLRO(dl_x86_platforms)[i]) == 0)
  35. return _DL_FIRST_PLATFORM + i;
  36. }
  37. return -1;
  38. };
  39. #endif /* dl-procinfo.h */