acrn-kernel/arch/um/sys-x86_64/sigcontext.c

40 lines
921 B
C

/*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include "user.h"
void sc_to_sc(void *to_ptr, void *from_ptr)
{
struct sigcontext *to = to_ptr, *from = from_ptr;
int size = sizeof(*to); /* + sizeof(struct _fpstate); */
memcpy(to, from, size);
if(from->fpstate != NULL)
to->fpstate = (struct _fpstate *) (to + 1);
to->fpstate = NULL;
}
unsigned long *sc_sigmask(void *sc_ptr)
{
struct sigcontext *sc = sc_ptr;
return(&sc->oldmask);
}
/* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/