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-rw-r--r--arch/um/sys-i386/fault.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/um/sys-i386/fault.c b/arch/um/sys-i386/fault.c
new file mode 100644
index 0000000..d0bbcdf
--- /dev/null
+++ b/arch/um/sys-i386/fault.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.com)
+ * Licensed under the GPL
+ */
+
+#include <signal.h>
+#include "sysdep/ptrace.h"
+#include "sysdep/sigcontext.h"
+
+/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
+struct exception_table_entry
+{
+ unsigned long insn;
+ unsigned long fixup;
+};
+
+const struct exception_table_entry *search_exception_tables(unsigned long add);
+
+/* Compare this to arch/i386/mm/extable.c:fixup_exception() */
+int arch_fixup(unsigned long address, void *sc_ptr)
+{
+ struct sigcontext *sc = sc_ptr;
+ const struct exception_table_entry *fixup;
+
+ fixup = search_exception_tables(address);
+ if(fixup != 0){
+ sc->eip = fixup->fixup;
+ return(1);
+ }
+ return(0);
+}
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only. This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
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