sigcontext.h 616 B

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  1. /*
  2. * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  3. * Licensed under the GPL
  4. */
  5. #ifndef __SYS_SIGCONTEXT_I386_H
  6. #define __SYS_SIGCONTEXT_I386_H
  7. #include "sysdep/sc.h"
  8. #define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
  9. #define GET_FAULTINFO_FROM_SC(fi, sc) \
  10. { \
  11. (fi).cr2 = SC_CR2(sc); \
  12. (fi).error_code = SC_ERR(sc); \
  13. (fi).trap_no = SC_TRAPNO(sc); \
  14. }
  15. /* This is Page Fault */
  16. #define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
  17. /* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */
  18. #define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo)
  19. #endif