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US5974249A Zero footprint method and apparatus for expanding allocated memory space of a process using a virtual memory area 失效
用于扩展使用虚拟内存区域的进程的分配的内存空间的零足迹方法和装置

  • 专利标题： Zero footprint method and apparatus for expanding allocated memory space of a process using a virtual memory area
  • 专利标题（中）： 用于扩展使用虚拟内存区域的进程的分配的内存空间的零足迹方法和装置
  • 申请号： US823675
    申请日： 1997-03-24
  • 公开(公告)号： US5974249A
    公开(公告)日： 1999-10-26
  • 发明人: Scott Elliott , John D. Teddy
  • 申请人： Scott Elliott , John D. Teddy
  • 申请人地址： CA Cupertino
  • 专利权人： Symantec Corporation
  • 当前专利权人： Symantec Corporation
  • 当前专利权人地址： CA Cupertino
  • 主分类号： G01R31/28
  • IPC分类号： G01R31/28
Zero footprint method and apparatus for expanding allocated memory space of a process using a virtual memory area
摘要：
The invention is an apparatus and computer method for controlling the operation of a computer running under an operating system such as WINDOWS.RTM. 95 and WINDOWS.RTM. NT operating system, or their like, that do not require a footprint in the programs running under the operating system. A program, hereinafter referred to as CrashGuard.TM., is stored and installed in a computer thereby being established as the "debugger" in the user's systems. Once so established CrashGuard.TM. may be stored elsewhere then the computer memory. Whenever a fatal error occurs the "Just in Time" debugging facility of the WINDOWS.RTM. 95 and WINDOWS.RTM. NT operating system, or their like, will suspend the target program, will load CrashGuard.TM. as the designated "debugger" into memory space not allocated to the target program, identifies the target program to CrashGuard.TM. and executes CrashGuard.TM.. CrashGuard.TM. will cause additional memory space to be added to the virtual memory of the target program. Thereafter CrashGuard.TM. will store into the additional memory space a routine that will allow the user to take such actions as to execute a Save or Save As command thereby not losing data that would otherwise have been lost.
摘要（中）：

本发明是一种用于控制在诸如WINDOWS TM 95和WINDOWS TM NT操作系统等操作系统下运行的计算机的操作的装置和计算机方法，其不需要在操作系统下运行的程序中的占用空间 。 以下称为CrashGuard TM的程序被存储并安装在计算机中，从而被建立为用户系统中的“调试器”。 一旦这样建立，CrashGuard TM可能存储在其他地方，然后是计算机内存。 每当发生致命错误时，WINDOWS TM 95和WINDOWS TM NT操作系统或其类似的“即时”调试工具将暂停目标程序，将将CrashGuard TM作为指定的“调试器”加载到未分配的内存空间中 到目标程序，将目标程序识别为CrashGuard TM并执行CrashGuard TM。 CrashGuard TM将导致额外的内存空间添加到目标程序的虚拟内存中。 此后，CrashGuard TM将在附加存储空间中存储一个例程，该例程将允许用户执行“执行保存或另存为”命令的操作，从而不会丢失否则将丢失的数据。

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