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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/ia64/mm/extable.c | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/mm/extable.c')
| -rw-r--r-- | arch/ia64/mm/extable.c | 24 |
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 000000000..da477c117 --- /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 */ +} |