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-rw-r--r--arch/ia64/mm/extable.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/ia64/mm/extable.c b/arch/ia64/mm/extable.c
new file mode 100644
index 0000000000..da477c1177
--- /dev/null
+++ b/arch/ia64/mm/extable.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Kernel exception handling table support. Derived from arch/alpha/mm/extable.c.
+ *
+ * Copyright (C) 1998, 1999, 2001-2002, 2004 Hewlett-Packard Co
+ * David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <asm/ptrace.h>
+#include <asm/extable.h>
+#include <asm/errno.h>
+#include <asm/processor.h>
+
+void
+ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e)
+{
+ long fix = (u64) &e->fixup + e->fixup;
+
+ regs->r8 = -EFAULT;
+ if (fix & 4)
+ regs->r9 = 0;
+ regs->cr_iip = fix & ~0xf;
+ ia64_psr(regs)->ri = fix & 0x3; /* set continuation slot number */
+}