cdefs-compat.h 1.9 KB

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  1. #ifndef _CDEFS_COMPAT_H_
  2. #define _CDEFS_COMPAT_H_
  3. #ifndef _WIN32
  4. #include "sys/cdefs.h"
  5. #else /* _WIN32 */
  6. #if defined(__cplusplus)
  7. #define __BEGIN_DECLS extern "C" {
  8. #define __END_DECLS }
  9. #else
  10. #define __BEGIN_DECLS
  11. #define __END_DECLS
  12. #endif
  13. #define _SYS_CDEFS_H_
  14. #endif /* _WIN32 */
  15. #ifdef __GNUC__
  16. #ifndef __strong_reference
  17. #define __strong_reference(sym,aliassym)
  18. //extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));
  19. #endif /* __strong_reference */
  20. #ifndef __weak_reference
  21. #ifdef __ELF__
  22. #ifdef __STDC__
  23. #define __weak_reference(sym,alias) \
  24. __asm__(".weak " #alias); \
  25. __asm__(".equ " #alias ", " #sym)
  26. #define __warn_references(sym,msg) \
  27. __asm__(".section .gnu.warning." #sym); \
  28. __asm__(".asciz \"" msg "\""); \
  29. __asm__(".previous")
  30. #else
  31. #define __weak_reference(sym,alias) \
  32. __asm__(".weak alias"); \
  33. __asm__(".equ alias, sym")
  34. #define __warn_references(sym,msg) \
  35. __asm__(".section .gnu.warning.sym"); \
  36. __asm__(".asciz \"msg\""); \
  37. __asm__(".previous")
  38. #endif /* __STDC__ */
  39. #elif defined(__clang__) /* CLANG */
  40. #ifdef __STDC__
  41. #define __weak_reference(sym,alias) \
  42. __asm__(".weak_reference " #alias); \
  43. __asm__(".set " #alias ", " #sym)
  44. #else
  45. #define __weak_reference(sym,alias) \
  46. __asm__(".weak_reference alias");\
  47. __asm__(".set alias, sym")
  48. #endif
  49. #else /* !__ELF__ */
  50. #ifdef __STDC__
  51. #define __weak_reference(sym,alias) \
  52. __asm__(".stabs \"_" #alias "\",11,0,0,0"); \
  53. __asm__(".stabs \"_" #sym "\",1,0,0,0")
  54. #define __warn_references(sym,msg) \
  55. __asm__(".stabs \"" msg "\",30,0,0,0"); \
  56. __asm__(".stabs \"_" #sym "\",1,0,0,0")
  57. #else
  58. #define __weak_reference(sym,alias) \
  59. __asm__(".stabs \"_/**/alias\",11,0,0,0"); \
  60. __asm__(".stabs \"_/**/sym\",1,0,0,0")
  61. #define __warn_references(sym,msg) \
  62. __asm__(".stabs msg,30,0,0,0"); \
  63. __asm__(".stabs \"_/**/sym\",1,0,0,0")
  64. #endif /* __STDC__ */
  65. #endif /* __ELF__ */
  66. #endif /* __weak_reference */
  67. #endif /* __GNUC__ */
  68. #endif /* _CDEFS_COMPAT_H_ */