arch/um/sys-x86_64/sigcontext.c

   1 /*
   2  * Copyright 2003 PathScale, Inc.
   3  *
   4  * Licensed under the GPL
   5  */
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <signal.h>
  10 #include "user.h"
  11
  12 void sc_to_sc(void *to_ptr, void *from_ptr)
  13 {
  14         struct sigcontext *to = to_ptr, *from = from_ptr;
  15         int size = sizeof(*to); /* + sizeof(struct _fpstate); */
  16
  17         memcpy(to, from, size);
  18         if(from->fpstate != NULL)
  19                 to->fpstate = (struct _fpstate *) (to + 1);
  20
  21         to->fpstate = NULL;
  22 }
  23
  24 unsigned long *sc_sigmask(void *sc_ptr)
  25 {
  26         struct sigcontext *sc = sc_ptr;
  27
  28         return(&sc->oldmask);
  29 }
  30
  31 /* Overrides for Emacs so that we follow Linus's tabbing style.
  32  * Emacs will notice this stuff at the end of the file and automatically
  33  * adjust the settings for this buffer only.  This must remain at the end
  34  * of the file.
  35  * ---------------------------------------------------------------------------
  36  * Local variables:
  37  * c-file-style: "linux"
  38  * End:
  39  */