X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-x86%2Fsigcontext.h;h=681deade5f0005d5ac0938104b377712997257a8;hb=9135f1901ee6449dfe338adf6e40e9c2025b8150;hp=0d16ceff15993bbb08a64fba21dff6d4d62d4e2e;hpb=6abd2c860e34add677de50e8b134f5af6f4b0893;p=powerpc.git

diff --git a/include/asm-x86/sigcontext.h b/include/asm-x86/sigcontext.h
index 0d16ceff15..681deade5f 100644
--- a/include/asm-x86/sigcontext.h
+++ b/include/asm-x86/sigcontext.h
@@ -1,13 +1,138 @@
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "sigcontext_32.h"
-# else
-#  include "sigcontext_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "sigcontext_32.h"
-# else
-#  include "sigcontext_64.h"
-# endif
+#ifndef _ASM_X86_SIGCONTEXT_H
+#define _ASM_X86_SIGCONTEXT_H
+
+#include <linux/compiler.h>
+#include <asm/types.h>
+
+#ifdef __i386__
+/*
+ * As documented in the iBCS2 standard..
+ *
+ * The first part of "struct _fpstate" is just the normal i387
+ * hardware setup, the extra "status" word is used to save the
+ * coprocessor status word before entering the handler.
+ *
+ * Pentium III FXSR, SSE support
+ *	Gareth Hughes <gareth@valinux.com>, May 2000
+ *
+ * The FPU state data structure has had to grow to accommodate the
+ * extended FPU state required by the Streaming SIMD Extensions.
+ * There is no documented standard to accomplish this at the moment.
+ */
+struct _fpreg {
+	unsigned short significand[4];
+	unsigned short exponent;
+};
+
+struct _fpxreg {
+	unsigned short significand[4];
+	unsigned short exponent;
+	unsigned short padding[3];
+};
+
+struct _xmmreg {
+	unsigned long element[4];
+};
+
+struct _fpstate {
+	/* Regular FPU environment */
+	unsigned long	cw;
+	unsigned long	sw;
+	unsigned long	tag;
+	unsigned long	ipoff;
+	unsigned long	cssel;
+	unsigned long	dataoff;
+	unsigned long	datasel;
+	struct _fpreg	_st[8];
+	unsigned short	status;
+	unsigned short	magic;		/* 0xffff = regular FPU data only */
+
+	/* FXSR FPU environment */
+	unsigned long	_fxsr_env[6];	/* FXSR FPU env is ignored */
+	unsigned long	mxcsr;
+	unsigned long	reserved;
+	struct _fpxreg	_fxsr_st[8];	/* FXSR FPU reg data is ignored */
+	struct _xmmreg	_xmm[8];
+	unsigned long	padding[56];
+};
+
+#define X86_FXSR_MAGIC		0x0000
+
+struct sigcontext {
+	unsigned short gs, __gsh;
+	unsigned short fs, __fsh;
+	unsigned short es, __esh;
+	unsigned short ds, __dsh;
+	unsigned long di;
+	unsigned long si;
+	unsigned long bp;
+	unsigned long sp;
+	unsigned long bx;
+	unsigned long dx;
+	unsigned long cx;
+	unsigned long ax;
+	unsigned long trapno;
+	unsigned long err;
+	unsigned long ip;
+	unsigned short cs, __csh;
+	unsigned long flags;
+	unsigned long sp_at_signal;
+	unsigned short ss, __ssh;
+	struct _fpstate __user * fpstate;
+	unsigned long oldmask;
+	unsigned long cr2;
+};
+
+#else /* __i386__ */
+
+/* FXSAVE frame */
+/* Note: reserved1/2 may someday contain valuable data. Always save/restore
+   them when you change signal frames. */
+struct _fpstate {
+	__u16	cwd;
+	__u16	swd;
+	__u16	twd;	/* Note this is not the same as the 32bit/x87/FSAVE twd */
+	__u16	fop;
+	__u64	rip;
+	__u64	rdp;
+	__u32	mxcsr;
+	__u32	mxcsr_mask;
+	__u32	st_space[32];	/* 8*16 bytes for each FP-reg */
+	__u32	xmm_space[64];	/* 16*16 bytes for each XMM-reg  */
+	__u32	reserved2[24];
+};
+
+struct sigcontext {
+	unsigned long r8;
+	unsigned long r9;
+	unsigned long r10;
+	unsigned long r11;
+	unsigned long r12;
+	unsigned long r13;
+	unsigned long r14;
+	unsigned long r15;
+	unsigned long di;
+	unsigned long si;
+	unsigned long bp;
+	unsigned long bx;
+	unsigned long dx;
+	unsigned long ax;
+	unsigned long cx;
+	unsigned long sp;
+	unsigned long ip;
+	unsigned long flags;
+	unsigned short cs;
+	unsigned short gs;
+	unsigned short fs;
+	unsigned short __pad0;
+	unsigned long err;
+	unsigned long trapno;
+	unsigned long oldmask;
+	unsigned long cr2;
+	struct _fpstate __user *fpstate;	/* zero when no FPU context */
+	unsigned long reserved1[8];
+};
+
+#endif /* !__i386__ */
+
 #endif