kernel_optimize_test/arch/ia64/mm/extable.c
Ard Biesheuvel 8fe9752ef1 ia64/extable: use generic search and sort routines
Replace the arch specific versions of search_extable() and
sort_extable() with calls to the generic ones, which now support
relative exception tables as well.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-22 15:36:02 -07:00

21 lines
510 B
C

/*
* 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/uaccess.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 */
}