发明名称 MEMORY PROTECTION METHOD, INFORMATION PROCESSING APPARATUS, MEMORY PROTECTION PROGRAM AND RECORDING MEDIUM WITH MEMORY PROTECTION PROGRAM RECORDED THEREON
摘要 <P>PROBLEM TO BE SOLVED: To provide a technique, which suppresses an unauthorized access between divided areas on a memory, and reduces a decrease in execution speed of procedures across the areas. <P>SOLUTION: A memory protection method for protecting a memory from an unauthorized access by a program, includes: an area definition processing process for dividing an undivided address space on the memory into a plurality of areas; a combining processing process for temporarily combining the divided areas upon calling a procedure of the program across the divided areas; a calling processing process for calling the procedure after the areas are combined; and a restoring processing process for restoring the combined areas to a state before the combining processing after execution of the called procedure. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010086410(A) 申请公布日期 2010.04.15
申请号 JP20080256636 申请日期 2008.10.01
申请人 CANON INC 发明人 KOBAYASHI SHUSUKE
分类号 G06F21/02 主分类号 G06F21/02
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