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[linux.git] / arch / ia64 / mm / extable.c
1 /*
2  * Kernel exception handling table support.  Derived from arch/alpha/mm/extable.c.
3  *
4  * Copyright (C) 1998, 1999, 2001-2002, 2004 Hewlett-Packard Co
5  *      David Mosberger-Tang <[email protected]>
6  */
7
8 #include <linux/uaccess.h>
9
10 void
11 ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e)
12 {
13         long fix = (u64) &e->fixup + e->fixup;
14
15         regs->r8 = -EFAULT;
16         if (fix & 4)
17                 regs->r9 = 0;
18         regs->cr_iip = fix & ~0xf;
19         ia64_psr(regs)->ri = fix & 0x3;         /* set continuation slot number */
20 }
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