1 files changed, 85 insertions, 0 deletions
diff --git a/include/asm-i386/sigcontext.h b/include/asm-i386/sigcontext.h
new file mode 100644
index 000000000000..aaef089a7787
--- /dev/null
+++ b/include/asm-i386/sigcontext.h
@@ -0,0 +1,85 @@
+#ifndef _ASMi386_SIGCONTEXT_H
+#define _ASMi386_SIGCONTEXT_H
+#include <linux/compiler.h>
+/*
+ * 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 edi;
+        unsigned long esi;
+        unsigned long ebp;
+        unsigned long esp;
+        unsigned long ebx;
+        unsigned long edx;
+        unsigned long ecx;
+        unsigned long eax;
+        unsigned long trapno;
+        unsigned long err;
+        unsigned long eip;
+        unsigned short cs, __csh;
+        unsigned long eflags;
+        unsigned long esp_at_signal;
+        unsigned short ss, __ssh;
+        struct _fpstate __user * fpstate;
+        unsigned long oldmask;
+        unsigned long cr2;
+};
+#endif

diff --git a/include/asm-i386/sigcontext.h b/include/asm-i386/sigcontext.h new file mode 100644 index 000000000000..aaef089a7787 --- /dev/null +++ b/include/asm-i386/sigcontext.h
@@ -0,0 +1,85 @@
	1	#ifndef _ASMi386_SIGCONTEXT_H
	2	#define _ASMi386_SIGCONTEXT_H
	3
	4	#include <linux/compiler.h>
	5
	6	/*
	7	* As documented in the iBCS2 standard..
	8	*
	9	* The first part of "struct _fpstate" is just the normal i387
	10	* hardware setup, the extra "status" word is used to save the
	11	* coprocessor status word before entering the handler.
	12	*
	13	* Pentium III FXSR, SSE support
	14	* Gareth Hughes <gareth@valinux.com>, May 2000
	15	*
	16	* The FPU state data structure has had to grow to accommodate the
	17	* extended FPU state required by the Streaming SIMD Extensions.
	18	* There is no documented standard to accomplish this at the moment.
	19	*/
	20	struct _fpreg {
	21	unsigned short significand[4];
	22	unsigned short exponent;
	23	};
	24
	25	struct _fpxreg {
	26	unsigned short significand[4];
	27	unsigned short exponent;
	28	unsigned short padding[3];
	29	};
	30
	31	struct _xmmreg {
	32	unsigned long element[4];
	33	};
	34
	35	struct _fpstate {
	36	/* Regular FPU environment */
	37	unsigned long cw;
	38	unsigned long sw;
	39	unsigned long tag;
	40	unsigned long ipoff;
	41	unsigned long cssel;
	42	unsigned long dataoff;
	43	unsigned long datasel;
	44	struct _fpreg _st[8];
	45	unsigned short status;
	46	unsigned short magic; /* 0xffff = regular FPU data only */
	47
	48	/* FXSR FPU environment */
	49	unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */
	50	unsigned long mxcsr;
	51	unsigned long reserved;
	52	struct _fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */
	53	struct _xmmreg _xmm[8];
	54	unsigned long padding[56];
	55	};
	56
	57	#define X86_FXSR_MAGIC 0x0000
	58
	59	struct sigcontext {
	60	unsigned short gs, __gsh;
	61	unsigned short fs, __fsh;
	62	unsigned short es, __esh;
	63	unsigned short ds, __dsh;
	64	unsigned long edi;
	65	unsigned long esi;
	66	unsigned long ebp;
	67	unsigned long esp;
	68	unsigned long ebx;
	69	unsigned long edx;
	70	unsigned long ecx;
	71	unsigned long eax;
	72	unsigned long trapno;
	73	unsigned long err;
	74	unsigned long eip;
	75	unsigned short cs, __csh;
	76	unsigned long eflags;
	77	unsigned long esp_at_signal;
	78	unsigned short ss, __ssh;
	79	struct _fpstate __user * fpstate;
	80	unsigned long oldmask;
	81	unsigned long cr2;
	82	};
	83
	84
	85	#endif