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From: Nikita Gnilozub-Volobuev <nikitag594@gmail.com>
To: qemu-devel@nongnu.org
Subject: Problem with trace of x86 binary on x86_64 system with PANDA
Date: Fri, 30 Jul 2021 19:15:30 +0300	[thread overview]
Message-ID: <1b6189d1-0123-efa7-23b4-42b60cefebbe@gmail.com> (raw)

Hello there.

I'm a student and I'm writing my term paper. Part of it is the record 
the trace of x86 ELF on x86_64 Linux. For record I use PANDA. And I 
stacked with very strange problem: there is no system calls in my trace.
When I see this I was very surprised and make simple grabber of 
translation blocks. As I know I must see in that sysenter (0x0F 0x34) 
and int 0x80 (0xCD 0x80). But nothing of them was in my blocks. Maybe 
trouble is in TCG? How I can test this and proxing system calls through 
PANDA for analyze it?
For example what I mean: I have very stupid binary, it's just write 
"Hello world" to file. But PANDA can't catch any calls. Even write 
although it is clear that this call must be there.

-- 
With best wishes, Gnilozub-Volobuev N.I.



             reply	other threads:[~2021-07-30 16:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 16:15 Nikita Gnilozub-Volobuev [this message]
2021-07-30 16:37 ` Problem with trace of x86 binary on x86_64 system with PANDA Peter Maydell

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