acrn-kernel/arch/um/sys-i386/fault.c

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/*
* Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.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, union 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);
}