syscall.c 737 B

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  1. #include <features.h>
  2. #include <errno.h>
  3. #include <sys/types.h>
  4. #include <sys/syscall.h>
  5. long syscall(long sysnum,
  6. long arg1, long arg2, long arg3,
  7. long arg4, long arg5, long arg6)
  8. {
  9. register long __sc0 __asm__ ("r9") = ((0x16 << 16) | sysnum);
  10. register long __sc2 __asm__ ("r2") = (long) arg1;
  11. register long __sc3 __asm__ ("r3") = (long) arg2;
  12. register long __sc4 __asm__ ("r4") = (long) arg3;
  13. register long __sc5 __asm__ ("r5") = (long) arg4;
  14. register long __sc6 __asm__ ("r6") = (long) arg5;
  15. register long __sc7 __asm__ ("r7") = (long) arg6;
  16. __asm__ __volatile__ ("trapa %1" \
  17. : "=r" (__sc0) \
  18. : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5), \
  19. "r" (__sc6), "r" (__sc7));
  20. __syscall_return(long,__sc0);
  21. }