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Re: [Qemu-devel] [RFC v3] monitor: add memory search commands s, sp
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [RFC v3] monitor: add memory search commands s, sp |
Date: |
Mon, 16 Mar 2015 08:45:31 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 03/16/2015 04:31 AM, address@hidden wrote:
> From: Claudio Fontana <address@hidden>
>
> usage is similar to the commands x, xp.
>
> Example with string: looking for "ELF" header in memory:
>
> (qemu) s/1000000cb 0x40001000 "ELF"
> searching memory area [0000000040001000-00000000400f5240]
> 0000000040090001
> (qemu) x/20b 0x40090000
> 0000000040090000: '\x7f' 'E' 'L' 'F' '\x02' '\x01' '\x01' '\x03'
> 0000000040090008: '\x00' '\x00' '\x00' '\x00' '\x00' '\x00' '\x00' '\x00'
> 0000000040090010: '\x02' '\x00' '\xb7' '\x00'
>
> Example with value: looking for 64bit variable value 0x990088
>
> (qemu) s/1000000xg 0xffff900042000000 0x990088
> searching memory area [ffff900042000000-ffff9000427a1200]
> ffff9000424b3000
> ffff9000424c1000
>
> Signed-off-by: Claudio Fontana <address@hidden>
> ---
> hmp-commands.hx | 28 ++++++++++++
> monitor.c | 140
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 168 insertions(+)
>
> Hello, looking for some comments on whether the addition of this
> command is welcome, and whether the syntax chosen is acceptable,
> or how it can made better.
Do you want to provide a QMP counterpart? In general, we are reluctant
to add new HMP functionality that cannot also be accessed via QMP.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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Re: [Qemu-devel] [RFC v3] monitor: add memory search commands s, sp, Claudio Fontana, 2015/03/18