Hi there,
I ran into trouble with memory allocation in freebsd.
In Linux, informations on heap chunks are stored with the actual data.
That's why a chunks' size is four bytes before the raw data.
Let's say, there is memory allocated at address 0x0804b000. In Linux,
that would return me the number allocated bytes:
(gdb) x/x 0x0804b000-4
FreeBSD uses another malloc alternative where the data and the
informations are splitted into two lists. The informations on sizes
are stored in a page direcory list. Entries of that list point to
their corresponding page with the data. My question is now, regarding
on the usage of gdb: How can I find out, of what size a chunk is? Or,
where do I find the page direcory list?
regards,
Nico
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