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Subject: Re: [PATCH v9 0/13] implement dlmem() function
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From: stsp <stsp2@yandex.ru>
To: Szabolcs Nagy <szabolcs.nagy@arm.com>,
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31.03.2023 22:36, stsp пишет:
> There is already such flag.

Namely, LD_PREFER_MAP_32BIT_EXEC.


> Unfortunately my setup is much more
> complicated than that: I need to force
> the mapping under 4Gb AND I need to
> force it into the shared buffer which I
> then mmap() to another address...
> Yes, this may sound weird, and I am not
> sure if you want to read my entire discussion
> with Jonathon on why is that needed.
> But he did a good small summary here:
> https://sourceware.org/bugzilla/show_bug.cgi?id=30007#c8
>
An additional clarification is needed that
the LD_AUDIT stuff mentioned in that URL,
was later replaced exactly by the premap
callback (that only optionally sets the
mapping area).