1#ifndef _ASM_X86_SIGFRAME_H
2#define _ASM_X86_SIGFRAME_H
3
4#include <asm/sigcontext.h>
5#include <asm/siginfo.h>
6#include <asm/ucontext.h>
7
8#ifdef CONFIG_X86_32
9#define sigframe_ia32		sigframe
10#define rt_sigframe_ia32	rt_sigframe
11#define sigcontext_ia32		sigcontext
12#define _fpstate_ia32		_fpstate
13#define ucontext_ia32		ucontext
14#else /* !CONFIG_X86_32 */
15
16#ifdef CONFIG_IA32_EMULATION
17#include <asm/ia32.h>
18#endif /* CONFIG_IA32_EMULATION */
19
20#endif /* CONFIG_X86_32 */
21
22#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
23struct sigframe_ia32 {
24	u32 pretcode;
25	int sig;
26	struct sigcontext_ia32 sc;
27	/*
28	 * fpstate is unused. fpstate is moved/allocated after
29	 * retcode[] below. This movement allows to have the FP state and the
30	 * future state extensions (xsave) stay together.
31	 * And at the same time retaining the unused fpstate, prevents changing
32	 * the offset of extramask[] in the sigframe and thus prevent any
33	 * legacy application accessing/modifying it.
34	 */
35	struct _fpstate_ia32 fpstate_unused;
36#ifdef CONFIG_IA32_EMULATION
37	unsigned int extramask[_COMPAT_NSIG_WORDS-1];
38#else /* !CONFIG_IA32_EMULATION */
39	unsigned long extramask[_NSIG_WORDS-1];
40#endif /* CONFIG_IA32_EMULATION */
41	char retcode[8];
42	/* fp state follows here */
43};
44
45struct rt_sigframe_ia32 {
46	u32 pretcode;
47	int sig;
48	u32 pinfo;
49	u32 puc;
50#ifdef CONFIG_IA32_EMULATION
51	compat_siginfo_t info;
52#else /* !CONFIG_IA32_EMULATION */
53	struct siginfo info;
54#endif /* CONFIG_IA32_EMULATION */
55	struct ucontext_ia32 uc;
56	char retcode[8];
57	/* fp state follows here */
58};
59#endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */
60
61#ifdef CONFIG_X86_64
62
63struct rt_sigframe {
64	char __user *pretcode;
65	struct ucontext uc;
66	struct siginfo info;
67	/* fp state follows here */
68};
69
70#ifdef CONFIG_X86_X32_ABI
71
72struct rt_sigframe_x32 {
73	u64 pretcode;
74	struct ucontext_x32 uc;
75	compat_siginfo_t info;
76	/* fp state follows here */
77};
78
79#endif /* CONFIG_X86_X32_ABI */
80
81#endif /* CONFIG_X86_64 */
82
83#endif /* _ASM_X86_SIGFRAME_H */
84