[deliverable/linux.git] / arch / x86 / include / asm / sigframe.h

#ifndef _ASM_X86_SIGFRAME_H
#define _ASM_X86_SIGFRAME_H

#include <asm/sigcontext.h>
#include <asm/siginfo.h>
#include <asm/ucontext.h>

#ifdef CONFIG_X86_32
#define sigframe_ia32		sigframe
#define rt_sigframe_ia32	rt_sigframe
#define sigcontext_ia32		sigcontext
#define _fpstate_ia32		_fpstate
#define ucontext_ia32		ucontext
#else /* !CONFIG_X86_32 */

#ifdef CONFIG_IA32_EMULATION
#include <asm/ia32.h>
#endif /* CONFIG_IA32_EMULATION */

#endif /* CONFIG_X86_32 */

#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
struct sigframe_ia32 {
	u32 pretcode;
	int sig;
	struct sigcontext_ia32 sc;
	/*
	 * fpstate is unused. fpstate is moved/allocated after
	 * retcode[] below. This movement allows to have the FP state and the
	 * future state extensions (xsave) stay together.
	 * And at the same time retaining the unused fpstate, prevents changing
	 * the offset of extramask[] in the sigframe and thus prevent any
	 * legacy application accessing/modifying it.
	 */
	struct _fpstate_ia32 fpstate_unused;
#ifdef CONFIG_IA32_EMULATION
	unsigned int extramask[_COMPAT_NSIG_WORDS-1];
#else /* !CONFIG_IA32_EMULATION */
	unsigned long extramask[_NSIG_WORDS-1];
#endif /* CONFIG_IA32_EMULATION */
	char retcode[8];
	/* fp state follows here */
};

struct rt_sigframe_ia32 {
	u32 pretcode;
	int sig;
	u32 pinfo;
	u32 puc;
#ifdef CONFIG_IA32_EMULATION
	compat_siginfo_t info;
#else /* !CONFIG_IA32_EMULATION */
	struct siginfo info;
#endif /* CONFIG_IA32_EMULATION */
	struct ucontext_ia32 uc;
	char retcode[8];
	/* fp state follows here */
};
#endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */

#ifdef CONFIG_X86_64
struct rt_sigframe {
	char __user *pretcode;
	struct ucontext uc;
	struct siginfo info;
	/* fp state follows here */
};
#endif /* CONFIG_X86_64 */

#endif /* _ASM_X86_SIGFRAME_H */
Commit	Line	Data
	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)
	23	struct 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
	45	struct 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	struct rt_sigframe {
	63	char __user *pretcode;
	64	struct ucontext uc;
	65	struct siginfo info;
	66	/* fp state follows here */
	67	};
	68	#endif /* CONFIG_X86_64 */
	69
	70	#endif /* _ASM_X86_SIGFRAME_H */