Howto break at memory 0xxxx write?
As far as I know, only WinDbg can do this. VS .net de{*filter*} doesn't support
this.
Thanks,
Tony
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>Subject: Re: Howto break at memory 0xxxx write?
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>Newsgroups: microsoft.public.vc.de{*filter*}
>Date: Thu, 19 Dec 2002 22:54:13 -0800
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>>> Is it possible to set a break point at a memory location when it is
>>> accessed (read or written)?
>> Yes and no.
>> If you open the Edit | Breakpoints menu, you can select the second
>> tab. Enter the memory address, and change the edit box below that to
>> the size of the memory block. Push the button to set the breakpoint.
>> Now, when you debug the program (it will run much slower, so be
>> patient),
>No, this is (today) not correct!
>If you have at least PI processor the de{*filter*} uses the processor
>provided DR0-4 register! So there is no execution deplay if you specify
>up to 4 data breakpoints.
>You are right if you specify more that 4 data breakpoints.
>> it will break if any byte in the block you specified is
>> changed. But it will not break if the memory is only read.
>This is true for DevStudio.
>If you need a breakpoint at memory-read of an address you have to use the
>debugging tools from MS. Here you can use the full features of the I32
>processor.
>You can download the WinDbg at: http://www.*-*-*.com/
>In the de{*filter*} you can use the BA (break on access) command to sepcify
>the breakpoint (execute / read/write / write / i/o)
>--
>Greetings
> Jochen
> Do you need a memory-leak finder ?
> http://www.*-*-*.com/
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