发明授权
US5740413A Method and apparatus for providing address breakpoints, branch breakpoints, and single stepping 失效
提供地址断点,分支断点和单步进的方法和装置

  • 专利标题: Method and apparatus for providing address breakpoints, branch breakpoints, and single stepping
  • 专利标题(中): 提供地址断点,分支断点和单步进的方法和装置
  • 申请号: US899085
    申请日: 1997-07-23
  • 公开(公告)号: US5740413A
    公开(公告)日: 1998-04-14
  • 发明人: Donald AlpertGary Hammond
  • 申请人: Donald AlpertGary Hammond
  • 申请人地址: CA Santa Clara
  • 专利权人: Intel Corporation
  • 当前专利权人: Intel Corporation
  • 当前专利权人地址: CA Santa Clara
  • 主分类号: G06F11/36
  • IPC分类号: G06F11/36 G06F11/30
Method and apparatus for providing address breakpoints, branch
breakpoints, and single stepping
摘要:
A method and apparatus for providing address breakpoints, branch breakpoints, and single stepping is described. According to one aspect of the invention, a processor is provided which generally includes an execution unit, a first storage area, and an address breakpoint unit. The execution unit recognizes a first debug event in response to the execution of an instruction which causes a branch to be taken. The first storage area has stored therein information. The address breakpoint unit is coupled to the first storage area to receive the information. The address breakpoint unit is also coupled to the execution unit to receive addresses. The address breakpoint unit determines whether the addresses it receives form the execution unit are identified by the information. The execution unit recognizes a second debug event when the address breakpoint unit indicates one of these addresses is identified by the information.
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