fault.c

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/* 
 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#include <sysdep/ptrace.h>

/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
struct exception_table_entry
{
    unsigned long insn;
    unsigned long fixup;
};

const struct exception_table_entry *search_exception_tables(unsigned long add);

/* Compare this to arch/i386/mm/extable.c:fixup_exception() */
int arch_fixup(unsigned long address, struct uml_pt_regs *regs)
{
    const struct exception_table_entry *fixup;

    fixup = search_exception_tables(address);
    if (fixup != 0) {
        UPT_IP(regs) = fixup->fixup;
        return 1;
    }
    return 0;
}