string_32.h 1.7 KB

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  1. /*
  2. * string.h: External definitions for optimized assembly string
  3. * routines for the Linux Kernel.
  4. *
  5. * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
  6. * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  7. */
  8. #ifndef __SPARC_STRING_H__
  9. #define __SPARC_STRING_H__
  10. #include <asm/page.h>
  11. /* Really, userland/ksyms should not see any of this stuff. */
  12. #ifdef __KERNEL__
  13. void __memmove(void *,const void *,__kernel_size_t);
  14. #ifndef EXPORT_SYMTAB_STROPS
  15. /* First the mem*() things. */
  16. #define __HAVE_ARCH_MEMMOVE
  17. #undef memmove
  18. #define memmove(_to, _from, _n) \
  19. ({ \
  20. void *_t = (_to); \
  21. __memmove(_t, (_from), (_n)); \
  22. _t; \
  23. })
  24. #define __HAVE_ARCH_MEMCPY
  25. #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
  26. #define __HAVE_ARCH_MEMSET
  27. #define memset(s, c, count) __builtin_memset(s, c, count)
  28. #define __HAVE_ARCH_MEMSCAN
  29. #undef memscan
  30. #define memscan(__arg0, __char, __arg2) \
  31. ({ \
  32. void *__memscan_zero(void *, size_t); \
  33. void *__memscan_generic(void *, int, size_t); \
  34. void *__retval, *__addr = (__arg0); \
  35. size_t __size = (__arg2); \
  36. \
  37. if(__builtin_constant_p(__char) && !(__char)) \
  38. __retval = __memscan_zero(__addr, __size); \
  39. else \
  40. __retval = __memscan_generic(__addr, (__char), __size); \
  41. \
  42. __retval; \
  43. })
  44. #define __HAVE_ARCH_MEMCMP
  45. int memcmp(const void *,const void *,__kernel_size_t);
  46. /* Now the str*() stuff... */
  47. #define __HAVE_ARCH_STRLEN
  48. __kernel_size_t strlen(const char *);
  49. #define __HAVE_ARCH_STRNCMP
  50. int strncmp(const char *, const char *, __kernel_size_t);
  51. #endif /* !EXPORT_SYMTAB_STROPS */
  52. #endif /* __KERNEL__ */
  53. #endif /* !(__SPARC_STRING_H__) */