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-rw-r--r--arch/x86/include/asm/sigframe.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
new file mode 100644
index 000000000000..6718ed04b05b
--- /dev/null
+++ b/arch/x86/include/asm/sigframe.h
@@ -0,0 +1,43 @@
1#ifdef CONFIG_X86_32
2#define sigframe_ia32 sigframe
3#define rt_sigframe_ia32 rt_sigframe
4#define sigcontext_ia32 sigcontext
5#define _fpstate_ia32 _fpstate
6#define ucontext_ia32 ucontext
7
8struct sigframe_ia32 {
9 u32 pretcode;
10 int sig;
11 struct sigcontext_ia32 sc;
12 /*
13 * fpstate is unused. fpstate is moved/allocated after
14 * retcode[] below. This movement allows to have the FP state and the
15 * future state extensions (xsave) stay together.
16 * And at the same time retaining the unused fpstate, prevents changing
17 * the offset of extramask[] in the sigframe and thus prevent any
18 * legacy application accessing/modifying it.
19 */
20 struct _fpstate_ia32 fpstate_unused;
21 unsigned long extramask[_NSIG_WORDS-1];
22 char retcode[8];
23 /* fp state follows here */
24};
25
26struct rt_sigframe_ia32 {
27 u32 pretcode;
28 int sig;
29 u32 pinfo;
30 u32 puc;
31 struct siginfo info;
32 struct ucontext_ia32 uc;
33 char retcode[8];
34 /* fp state follows here */
35};
36#else /* !CONFIG_X86_32 */
37struct rt_sigframe {
38 char __user *pretcode;
39 struct ucontext uc;
40 struct siginfo info;
41 /* fp state follows here */
42};
43#endif /* CONFIG_X86_32 */