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-rw-r--r--arch/um/sys-i386/shared/sysdep/sigcontext.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/um/sys-i386/shared/sysdep/sigcontext.h b/arch/um/sys-i386/shared/sysdep/sigcontext.h
new file mode 100644
index 000000000000..f583c87111a0
--- /dev/null
+++ b/arch/um/sys-i386/shared/sysdep/sigcontext.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __SYS_SIGCONTEXT_I386_H
+#define __SYS_SIGCONTEXT_I386_H
+
+#include "sysdep/sc.h"
+
+#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
+
+#define GET_FAULTINFO_FROM_SC(fi, sc) \
+ { \
+ (fi).cr2 = SC_CR2(sc); \
+ (fi).error_code = SC_ERR(sc); \
+ (fi).trap_no = SC_TRAPNO(sc); \
+ }
+
+/* This is Page Fault */
+#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
+
+/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */
+#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo)
+
+#endif