| // 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 */ |
| } |
