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