xref: /OK3568_Linux_fs/kernel/arch/sh/mm/extable_32.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * linux/arch/sh/mm/extable.c
4*4882a593Smuzhiyun  *  Taken from:
5*4882a593Smuzhiyun  *   linux/arch/i386/mm/extable.c
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <linux/extable.h>
9*4882a593Smuzhiyun #include <linux/uaccess.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <asm/ptrace.h>
12*4882a593Smuzhiyun 
fixup_exception(struct pt_regs * regs)13*4882a593Smuzhiyun int fixup_exception(struct pt_regs *regs)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	const struct exception_table_entry *fixup;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	fixup = search_exception_tables(regs->pc);
18*4882a593Smuzhiyun 	if (fixup) {
19*4882a593Smuzhiyun 		regs->pc = fixup->fixup;
20*4882a593Smuzhiyun 		return 1;
21*4882a593Smuzhiyun 	}
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	return 0;
24*4882a593Smuzhiyun }
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