Re: [PATCH] tools: bpf_jit_disasm: Add option to dump JIT image to a file.

From: David Miller
Date: Thu Apr 13 2017 - 13:04:28 EST


From: David Daney <david.daney@xxxxxxxxxx>
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@xxxxxxxxxx>

Applied, thanks.