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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * Kernel exception handling table support. Derived from arch/alpha/mm/extable.c. | |
4 | * | |
5 | * Copyright (C) 1998, 1999, 2001-2002, 2004 Hewlett-Packard Co | |
6 | * David Mosberger-Tang <davidm@hpl.hp.com> | |
7 | */ | |
8 | ||
8bec2717 AV |
9 | #include <asm/ptrace.h> |
10 | #include <asm/extable.h> | |
11 | #include <asm/errno.h> | |
12 | #include <asm/processor.h> | |
1da177e4 LT |
13 | |
14 | void | |
15 | ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e) | |
16 | { | |
8fe9752e | 17 | long fix = (u64) &e->fixup + e->fixup; |
1da177e4 LT |
18 | |
19 | regs->r8 = -EFAULT; | |
20 | if (fix & 4) | |
21 | regs->r9 = 0; | |
22 | regs->cr_iip = fix & ~0xf; | |
23 | ia64_psr(regs)->ri = fix & 0x3; /* set continuation slot number */ | |
24 | } |