1 files changed, 71 insertions, 0 deletions

diff --git a/include/asm-x86/sigcontext32.h b/include/asm-x86/sigcontext32.h
new file mode 100644
index 000000000000..3d657038ab7c
--- /dev/null
+++ b/include/asm-x86/sigcontext32.h
@@ -0,0 +1,71 @@
+#ifndef _SIGCONTEXT32_H
+#define _SIGCONTEXT32_H 1
+
+/* signal context for 32bit programs. */
+
+#define X86_FXSR_MAGIC          0x0000
+
+struct _fpreg {
+        unsigned short significand[4];
+        unsigned short exponent;
+};
+
+struct _fpxreg {
+        unsigned short significand[4];
+        unsigned short exponent;
+        unsigned short padding[3];
+};
+
+struct _xmmreg {
+        __u32   element[4];
+};
+
+/* FSAVE frame with extensions */
+struct _fpstate_ia32 {
+        /* Regular FPU environment */
+        __u32   cw;
+        __u32   sw;
+        __u32   tag;    /* not compatible to 64bit twd */
+        __u32   ipoff;                  
+        __u32   cssel;
+        __u32   dataoff;
+        __u32   datasel;
+        struct _fpreg   _st[8];
+        unsigned short  status;
+        unsigned short  magic;          /* 0xffff = regular FPU data only */
+
+        /* FXSR FPU environment */
+        __u32   _fxsr_env[6];
+        __u32   mxcsr;
+        __u32   reserved;
+        struct _fpxreg  _fxsr_st[8];
+        struct _xmmreg  _xmm[8];        /* It's actually 16 */ 
+        __u32   padding[56];
+};
+
+struct sigcontext_ia32 {
+       unsigned short gs, __gsh;
+       unsigned short fs, __fsh;
+       unsigned short es, __esh;
+       unsigned short ds, __dsh;
+       unsigned int edi;
+       unsigned int esi;
+       unsigned int ebp;
+       unsigned int esp;
+       unsigned int ebx;
+       unsigned int edx;
+       unsigned int ecx;
+       unsigned int eax;
+       unsigned int trapno;
+       unsigned int err;
+       unsigned int eip;
+       unsigned short cs, __csh;
+       unsigned int eflags;
+       unsigned int esp_at_signal;
+       unsigned short ss, __ssh;
+       unsigned int fpstate;            /* really (struct _fpstate_ia32 *) */
+       unsigned int oldmask;
+       unsigned int cr2;
+};
+
+#endif