From: "Jan Beulich" <JBeulich@suse.com>
To: big strong <fangtuo90@gmail.com>
Cc: xen-devel@lists.xen.org
Subject: Re: how to locate the hypercall address in memory?
Date: Tue, 14 Jul 2015 14:38:34 +0100 [thread overview]
Message-ID: <55A52CFA0200007800090BD2@mail.emea.novell.com> (raw)
In-Reply-To: <CAFnE1f1mhjmw=n2sJyL5T1gekpWaKucy4kC1CbSNMFEhANJ45A@mail.gmail.com>
>>> On 14.07.15 at 15:31, <fangtuo90@gmail.com> wrote:
> All right, what is the base address of hypercalls table? And which file
> contains the offset of each hypercall?
Did you at least _try_ to find the answer yourself, e.g. by
grep-ing the hypervisor source for some obvious strings?
Jan
> 2015-07-14 20:36 GMT+08:00 Jan Beulich <JBeulich@suse.com>:
>
>> >>> On 14.07.15 at 13:59, <fangtuo90@gmail.com> wrote:
>> > could you explain that in detail? As syscall tracing, we usually locate
>> the
>> > kernel module first, then find the address of specific syscall function
>> in
>> > that module with the help of symbol files. How could this be applied to
>> > hypercalls then?
>>
>> You'd do whatever you do with the kernel binary with the hypervisor
>> one instead (plus you don't even need to care about modules there).
>>
>> Jan
>>
>>
next prev parent reply other threads:[~2015-07-14 13:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-14 7:10 how to locate the hypercall address in memory? big strong
2015-07-14 11:56 ` Jan Beulich
2015-07-14 11:59 ` big strong
2015-07-14 12:36 ` Jan Beulich
2015-07-14 13:31 ` big strong
2015-07-14 13:38 ` Jan Beulich [this message]
2015-07-14 14:02 ` Ian Campbell
2015-07-14 14:30 ` big strong
2015-07-14 14:30 ` big strong
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