Re: [Qemu-devel] qemu-user: relocating target code weakness

[Lluís <xscript@gmx.net>]

Richard Henderson writes:

> On 01/26/2011 12:17 PM, Lluís wrote:
>> Richard Henderson writes:
>> 
>>> On 01/26/2011 03:07 AM, Stefano Bonifazi wrote:
>>>> P.S. Please just answer that last question, whether it is possible to
>>>> have a variable showing the upper bound of heap (some brk_end) for a
>>>> target process
>> 
>>> No, the heap grows until it reaches some other memory mapped entity.
>> 
>>> From man brk(2) :
>> 
>> "sbrk() increments the program's data space by increment bytes.
>> Calling sbrk() with an increment of 0 can be used to find the
>> current location of the program break."
>> 
>> I already sent this to the list in a previous mail, but it seems you
>> overlooked it as you were not an explicit recipient.

> That's the current top of the heap.  I answered the question as if
> it was asking for the maximum top of the heap.

Ah! I didn't understand it like that, sorry.


Lluis

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