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kernel/linux-imx6_3.14.28/arch/x86/um/fault.c 659 Bytes
6b13f685e   김민수   BSP 최초 추가
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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) {
  		UPT_IP(regs) = fixup->fixup;
  		return 1;
  	}
  	return 0;
  }