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/arch/sparc/include/asm/string_64.h

https://bitbucket.org/cresqo/cm7-p500-kernel
C Header | 62 lines | 36 code | 16 blank | 10 comment | 2 complexity | 35d379a0abdffef84e89e0004fe90d3b MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0 
    

  1. /*
    2. 

  2.  * string.h: External definitions for optimized assembly string
    3. 

  3.  *           routines for the Linux Kernel.
    4. 

  4.  *
    5. 

  5.  * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
    6. 

  6.  * Copyright (C) 1996,1997,1999 Jakub Jelinek (jakub@redhat.com)
    7. 

  7.  */
    8. 

  8. 

  9. #ifndef __SPARC64_STRING_H__
    10. 

  10. #define __SPARC64_STRING_H__
    11. 

  11. 

  12. /* Really, userland/ksyms should not see any of this stuff. */
    13. 

  13. 

  14. #ifdef __KERNEL__
    15. 

  15. 

  16. #include <asm/asi.h>
    17. 

  17. 

  18. #ifndef EXPORT_SYMTAB_STROPS
    19. 

  19. 

  20. /* First the mem*() things. */
    21. 

  21. #define __HAVE_ARCH_MEMMOVE
    22. 

  22. extern void *memmove(void *, const void *, __kernel_size_t);
    23. 

  23. 

  24. #define __HAVE_ARCH_MEMCPY
    25. 

  25. #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
    26. 

  26. 

  27. #define __HAVE_ARCH_MEMSET
    28. 

  28. #define memset(s, c, count) __builtin_memset(s, c, count)
    29. 

  29. 

  30. #define __HAVE_ARCH_MEMSCAN
    31. 

  31. 

  32. #undef memscan
    33. 

  33. #define memscan(__arg0, __char, __arg2)					\
    34. 

  34. ({									\
    35. 

  35. 	extern void *__memscan_zero(void *, size_t);			\
    36. 

  36. 	extern void *__memscan_generic(void *, int, size_t);		\
    37. 

  37. 	void *__retval, *__addr = (__arg0);				\
    38. 

  38. 	size_t __size = (__arg2);					\
    39. 

  39. 									\
    40. 

  40. 	if(__builtin_constant_p(__char) && !(__char))			\
    41. 

  41. 		__retval = __memscan_zero(__addr, __size);		\
    42. 

  42. 	else								\
    43. 

  43. 		__retval = __memscan_generic(__addr, (__char), __size);	\
    44. 

  44. 									\
    45. 

  45. 	__retval;							\
    46. 

  46. })
    47. 

  47. 

  48. #define __HAVE_ARCH_MEMCMP
    49. 

  49. extern int memcmp(const void *,const void *,__kernel_size_t);
    50. 

  50. 

  51. /* Now the str*() stuff... */
    52. 

  52. #define __HAVE_ARCH_STRLEN
    53. 

  53. extern __kernel_size_t strlen(const char *);
    54. 

  54. 

  55. #define __HAVE_ARCH_STRNCMP
    56. 

  56. extern int strncmp(const char *, const char *, __kernel_size_t);
    57. 

  57. 

  58. #endif /* !EXPORT_SYMTAB_STROPS */
    59. 

  59. 

  60. #endif /* __KERNEL__ */
    61. 

  61. 

  62. #endif /* !(__SPARC64_STRING_H__) */
    63. 

  63.