From: David Miller <davem@davemloft.net>
To: david.daney@cavium.com
Cc: ast@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tools: bpf_jit_disasm: Add option to dump JIT image to a file.
Date: Thu, 13 Apr 2017 13:04:15 -0400 (EDT) [thread overview]
Message-ID: <20170413.130415.1776516439699504044.davem@davemloft.net> (raw)
In-Reply-To: <20170411213052.7337-1-david.daney@cavium.com>
From: David Daney <david.daney@cavium.com>
Date: Tue, 11 Apr 2017 14:30:52 -0700
> When debugging the JIT on an embedded platform or cross build
> environment, libbfd may not be available, making it impossible to run
> bpf_jit_disasm natively.
>
> Add an option to emit a binary image of the JIT code to a file. This
> file can then be disassembled off line. Typical usage in this case
> might be (pasting mips64 dmesg output to cat command):
>
> $ cat > jit.raw
> $ bpf_jit_disasm -f jit.raw -O jit.bin
> $ mips64-linux-gnu-objdump -D -b binary -m mips:isa64r2 -EB jit.bin
>
> Signed-off-by: David Daney <david.daney@cavium.com>
Applied, thanks.
prev parent reply other threads:[~2017-04-13 17:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-11 21:30 [PATCH] tools: bpf_jit_disasm: Add option to dump JIT image to a file David Daney
2017-04-11 21:54 ` Daniel Borkmann
2017-04-11 23:11 ` David Daney
2017-04-13 17:04 ` David Miller [this message]
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