ia64/linux-2.6.18-xen.hg

view arch/um/sys-i386/sigcontext.c @ 647:a5bb490065f6

Fix the build after public header sync.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Aug 13 14:01:49 2008 +0100 (2008-08-13)
parents 831230e53067
children
line source
1 /*
2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
6 #include <stddef.h>
7 #include <string.h>
8 #include <asm/ptrace.h>
9 #include <asm/sigcontext.h>
10 #include "sysdep/ptrace.h"
11 #include "kern_util.h"
13 void sc_to_sc(void *to_ptr, void *from_ptr)
14 {
15 struct sigcontext *to = to_ptr, *from = from_ptr;
17 memcpy(to, from, sizeof(*to) + sizeof(struct _fpstate));
18 if(from->fpstate != NULL)
19 to->fpstate = (struct _fpstate *) (to + 1);
20 }
22 unsigned long *sc_sigmask(void *sc_ptr)
23 {
24 struct sigcontext *sc = sc_ptr;
25 return &sc->oldmask;
26 }
28 int sc_get_fpregs(unsigned long buf, void *sc_ptr)
29 {
30 struct sigcontext *sc = sc_ptr;
31 struct _fpstate *from = sc->fpstate, *to = (struct _fpstate *) buf;
32 int err = 0;
34 if(from == NULL){
35 err |= clear_user_proc(&to->cw, sizeof(to->cw));
36 err |= clear_user_proc(&to->sw, sizeof(to->sw));
37 err |= clear_user_proc(&to->tag, sizeof(to->tag));
38 err |= clear_user_proc(&to->ipoff, sizeof(to->ipoff));
39 err |= clear_user_proc(&to->cssel, sizeof(to->cssel));
40 err |= clear_user_proc(&to->dataoff, sizeof(to->dataoff));
41 err |= clear_user_proc(&to->datasel, sizeof(to->datasel));
42 err |= clear_user_proc(&to->_st, sizeof(to->_st));
43 }
44 else {
45 err |= copy_to_user_proc(&to->cw, &from->cw, sizeof(to->cw));
46 err |= copy_to_user_proc(&to->sw, &from->sw, sizeof(to->sw));
47 err |= copy_to_user_proc(&to->tag, &from->tag,
48 sizeof(to->tag));
49 err |= copy_to_user_proc(&to->ipoff, &from->ipoff,
50 sizeof(to->ipoff));
51 err |= copy_to_user_proc(&to->cssel,& from->cssel,
52 sizeof(to->cssel));
53 err |= copy_to_user_proc(&to->dataoff, &from->dataoff,
54 sizeof(to->dataoff));
55 err |= copy_to_user_proc(&to->datasel, &from->datasel,
56 sizeof(to->datasel));
57 err |= copy_to_user_proc(to->_st, from->_st, sizeof(to->_st));
58 }
59 return(err);
60 }
62 /*
63 * Overrides for Emacs so that we follow Linus's tabbing style.
64 * Emacs will notice this stuff at the end of the file and automatically
65 * adjust the settings for this buffer only. This must remain at the end
66 * of the file.
67 * ---------------------------------------------------------------------------
68 * Local variables:
69 * c-file-style: "linux"
70 * End:
71 */