Method and apparatus for debugging program code
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United States of America Patent
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N/A
Issued Date -
Feb 8, 2007
app pub date -
Jul 24, 2006
filing date -
Aug 8, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method and apparatus for debugging program code. In particular, a method for implementing data breakpoints using virtual memory support is described. During execution of the program code, virtual memory addresses for translation to physical addresses are provided to a directory of page translations. If the page translation entry for the virtual memory address has data breakpoint information associated with it, a hardware walker is activated. The hardware walker searches a list of data breakpoints to determine whether a data breakpoint address corresponds to the virtual memory address and, if so, program execution is discontinued.
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