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28 lines
581 B
C
28 lines
581 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Based on arch/arm/mm/extable.c
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*/
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#include <linux/extable.h>
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#include <linux/uaccess.h>
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int fixup_exception(struct pt_regs *regs)
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{
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const struct exception_table_entry *fixup;
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unsigned long addr;
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addr = instruction_pointer(regs);
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/* Search the BPF tables first, these are formatted differently */
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fixup = search_bpf_extables(addr);
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if (fixup)
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return arm64_bpf_fixup_exception(fixup, regs);
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fixup = search_exception_tables(addr);
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if (!fixup)
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return 0;
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regs->pc = (unsigned long)&fixup->fixup + fixup->fixup;
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return 1;
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}
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