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uclibc-ng-test
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test
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tls
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tls-macros-xtensa.h

tls-macros-xtensa.h 1.8 KB
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  1. #if defined(__XTENSA_WINDOWED_ABI__)
    2. 

  2. #define TLS_GD(x)							\
    3. 

  3.   ({ int *__l;								\
    4. 

  4.      __asm__ ("movi  a8, " #x "@TLSFUNC\n\t"				\
    5. 

  5. 	  "movi a10, " #x "@TLSARG\n\t"					\
    6. 

  6. 	  "callx8.tls a8, " #x "@TLSCALL\n\t"				\
    7. 

  7. 	  "mov %0, a10\n\t"						\
    8. 

  8. 	  : "=r" (__l)							\
    9. 

  9. 	  :								\
    10. 

  10. 	  : "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15");	\
    11. 

  11.       __l; })
    12. 

  12. 

  13. #define TLS_LD(x)							\
    14. 

  14.   ({ int *__l;								\
    15. 

  15.      __asm__ ("movi  a8, _TLS_MODULE_BASE_@TLSFUNC\n\t"			\
    16. 

  16. 	  "movi a10, _TLS_MODULE_BASE_@TLSARG\n\t"			\
    17. 

  17. 	  "callx8.tls a8, _TLS_MODULE_BASE_@TLSCALL\n\t"		\
    18. 

  18. 	  "movi %0, " #x "@DTPOFF\n\t"					\
    19. 

  19. 	  "add %0, %0, a10\n\t"						\
    20. 

  20. 	  : "=r" (__l)							\
    21. 

  21. 	  :								\
    22. 

  22. 	  : "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15");	\
    23. 

  23.       __l; })
    24. 

  24. #elif defined(__XTENSA_CALL0_ABI__)
    25. 

  25. #define TLS_GD(x)							\
    26. 

  26.   ({ int *__l;								\
    27. 

  27.      __asm__ ("movi  a0, " #x "@TLSFUNC\n\t"				\
    28. 

  28. 	  "movi a2, " #x "@TLSARG\n\t"					\
    29. 

  29. 	  "callx0.tls a0, " #x "@TLSCALL\n\t"				\
    30. 

  30. 	  "mov %0, a2\n\t"						\
    31. 

  31. 	  : "=r" (__l)							\
    32. 

  32. 	  :								\
    33. 

  33. 	  : "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "a10", "a11");\
    34. 

  34.       __l; })
    35. 

  35. 

  36. #define TLS_LD(x)							\
    37. 

  37.   ({ int *__l;								\
    38. 

  38.      __asm__ ("movi  a0, _TLS_MODULE_BASE_@TLSFUNC\n\t"			\
    39. 

  39. 	  "movi a2, _TLS_MODULE_BASE_@TLSARG\n\t"			\
    40. 

  40. 	  "callx0.tls a0, _TLS_MODULE_BASE_@TLSCALL\n\t"		\
    41. 

  41. 	  "movi %0, " #x "@DTPOFF\n\t"					\
    42. 

  42. 	  "add %0, %0, a2\n\t"						\
    43. 

  43. 	  : "=r" (__l)							\
    44. 

  44. 	  :								\
    45. 

  45. 	  : "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "a10", "a11");\
    46. 

  46.       __l; })
    47. 

  47. #else
    48. 

  48. #error Unsupported Xtensa ABI
    49. 

  49. #endif
    50. 

  50. 

  51. #define TLS_IE(x) TLS_LE(x)
    52. 

  52. 

  53. #define TLS_LE(x)							\
    54. 

  54.   ({ int *__l;								\
    55. 

  55.      int __t;								\
    56. 

  56.      __asm__ ("rur %0, threadptr\n\t"					\
    57. 

  57. 	  "movi %1, " #x "@TPOFF\n\t"					\
    58. 

  58. 	  "add %0, %0, %1\n\t"						\
    59. 

  59. 	  : "=r" (__l), "=r" (__t) );					\
    60. 

  60.      __l; });								\
    61. 

  61.