1 files changed, 18 insertions, 0 deletions

diff --git a/arch/x86/include/asm/ucontext.h b/arch/x86/include/asm/ucontext.h
new file mode 100644
index 00000000000..87324cf439d
--- /dev/null
+++ b/arch/x86/include/asm/ucontext.h
@@ -0,0 +1,18 @@
+#ifndef _ASM_X86_UCONTEXT_H
+#define _ASM_X86_UCONTEXT_H
+
+#define UC_FP_XSTATE    0x1     /* indicates the presence of extended state
+                                 * information in the memory layout pointed
+                                 * by the fpstate pointer in the ucontext's
+                                 * sigcontext struct (uc_mcontext).
+                                 */
+
+struct ucontext {
+        unsigned long     uc_flags;
+        struct ucontext  *uc_link;
+        stack_t           uc_stack;
+        struct sigcontext uc_mcontext;
+        sigset_t          uc_sigmask;   /* mask last for extensibility */
+};
+
+#endif /* _ASM_X86_UCONTEXT_H */