Re: [Qemu-devel] qemu log function to print out the registers of the guest

[Max Filippov]

On Thu, Aug 16, 2012 at 8:36 PM, Steven <address@hidden> wrote:
> On Thu, Aug 16, 2012 at 4:02 AM, 陳韋任 (Wei-Ren Chen)
> <address@hidden> wrote:
>>> I would like to is there any function that could log the register
>>> content of the guest machine, like "info registers" in the qemu
>>> monitor mode.
>>
>>   Why not check how "info registes" be implemented in QEMU? ;)
>> I guess you just have to log env->regs or something like that.
> Thanks for pointing this out.
> I would like to get a trace of guest memory access. So I can not use
> "info registers".
> What I want to do is that when tcg fetches a load instruction at
> disas_insns(), the guest memory address should be calculated. For

No, you don't want this, because the same translated code may be
invoked multiple times with different values in registers.

> example, the tb has an instruction of mov 0x4(%ebx)  %eax.
> To calculate the address of 0x4(%ebx), I need to know the value of %ebx.
> Is this correct? Thanks.

Why don't you just instrument actual memory access functions in
softmmu_template.h ?

-- 
Thanks.
-- Max