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DragonOS-Community
/
relibc_openlibm
mirrorاز https://gitlab.redox-os.org/redox-os/openlibm.git
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relibc_openlibm
/
include
/
cdefs-compat.h

cdefs-compat.h 2.1 KB
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  1. #ifndef _CDEFS_COMPAT_H_
    2. 

  2. #define	_CDEFS_COMPAT_H_
    3. 

  3. 

  4. #ifndef _WIN32
    5. 

  5. #include "sys/cdefs.h"
    6. 

  6. #else /* _WIN32 */
    7. 

  7. 

  8. #if defined(__cplusplus)
    9. 

  9. #define	__BEGIN_DECLS	extern "C" {
    10. 

  10. #define	__END_DECLS	}
    11. 

  11. #else
    12. 

  12. #define	__BEGIN_DECLS
    13. 

  13. #define	__END_DECLS
    14. 

  14. #endif
    15. 

  15. 

  16. #define _SYS_CDEFS_H_
    17. 

  17. 

  18. #endif /* _WIN32 */
    19. 

  19. 

  20. 

  21. 

  22. 

  23. #ifdef __GNUC__
    24. 

  24. #ifndef __strong_reference
    25. 

  25. #ifdef __APPLE__
    26. 

  26. #define __strong_reference(sym,aliassym) __weak_reference(sym,aliassym)
    27. 

  27. #else
    28. 

  28. #define __strong_reference(sym,aliassym)	\
    29. 

  29. 	DLLEXPORT extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));
    30. 

  30. #endif /* __APPLE__ */
    31. 

  31. #endif /* __strong_reference */
    32. 

  32. 

  33. #ifndef __weak_reference
    34. 

  34. #ifdef __ELF__
    35. 

  35. #ifdef __STDC__
    36. 

  36. #define	__weak_reference(sym,alias)	\
    37. 

  37. 	__asm__(".weak " #alias);	\
    38. 

  38. 	__asm__(".equ "  #alias ", " #sym)
    39. 

  39. #define	__warn_references(sym,msg)	\
    40. 

  40. 	__asm__(".section .gnu.warning." #sym);	\
    41. 

  41. 	__asm__(".asciz \"" msg "\"");	\
    42. 

  42. 	__asm__(".previous")
    43. 

  43. #else
    44. 

  44. #define	__weak_reference(sym,alias)	\
    45. 

  45. 	__asm__(".weak alias");		\
    46. 

  46. 	__asm__(".equ alias, sym")
    47. 

  47. #define	__warn_references(sym,msg)	\
    48. 

  48. 	__asm__(".section .gnu.warning.sym"); \
    49. 

  49. 	__asm__(".asciz \"msg\"");	\
    50. 

  50. 	__asm__(".previous")
    51. 

  51. #endif	/* __STDC__ */
    52. 

  52. #elif defined(__clang__) /* CLANG */
    53. 

  53. #ifdef __STDC__
    54. 

  54. #define __weak_reference(sym,alias)     \
    55. 

  55.     __asm__(".weak_reference " #alias); \
    56. 

  56.     __asm__(".set " #alias ", " #sym)
    57. 

  57. #else
    58. 

  58. #define __weak_reference(sym,alias)     \
    59. 

  59.     __asm__(".weak_reference alias");\
    60. 

  60.     __asm__(".set alias, sym")
    61. 

  61. #endif
    62. 

  62. #else	/* !__ELF__ */
    63. 

  63. #ifdef __STDC__
    64. 

  64. #define __weak_reference(sym,alias)	\
    65. 

  65. 	__asm__(".stabs \"_" #alias "\",11,0,0,0");	\
    66. 

  66. 	__asm__(".stabs \"_" #sym "\",1,0,0,0")
    67. 

  67. #define __warn_references(sym,msg)	\
    68. 

  68. 	__asm__(".stabs \"" msg "\",30,0,0,0");		\
    69. 

  69. 	__asm__(".stabs \"_" #sym "\",1,0,0,0")
    70. 

  70. #else
    71. 

  71. #define __weak_reference(sym,alias)	\
    72. 

  72. 	__asm__(".stabs \"_/**/alias\",11,0,0,0");	\
    73. 

  73. 	__asm__(".stabs \"_/**/sym\",1,0,0,0")
    74. 

  74. #define __warn_references(sym,msg)	\
    75. 

  75. 	__asm__(".stabs msg,30,0,0,0");			\
    76. 

  76. 	__asm__(".stabs \"_/**/sym\",1,0,0,0")
    77. 

  77. #endif	/* __STDC__ */
    78. 

  78. #endif	/* __ELF__ */
    79. 

  79. #endif  /* __weak_reference */
    80. 

  80. #endif	/* __GNUC__ */
    81. 

  81. 

  82. 

  83. #endif /* _CDEFS_COMPAT_H_ */
    84.