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Re: [Qemu-devel] [PATCH] linux-user/signal.c: Use target address instead
From: |
Chen Gang |
Subject: |
Re: [Qemu-devel] [PATCH] linux-user/signal.c: Use target address instead of host address for microblaze restorer |
Date: |
Sat, 14 May 2016 11:19:34 +0800 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 5/6/16 00:11, Edgar E. Iglesias wrote:
> On Thu, May 05, 2016 at 10:48:57PM +0800, Chen Gang wrote:
>> On 5/5/16 00:05, Peter Maydell wrote:
>>> On 29 March 2016 at 15:13, <address@hidden> wrote:
>>>> From: Chen Gang <address@hidden>
>>>>
>>>> The return address is in target space, so the restorer address needs to
>>>> be target space, too.
>>>>
>>>> Signed-off-by: Chen Gang <address@hidden>
>>>> ---
>>>> linux-user/signal.c | 3 ++-
>>>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/linux-user/signal.c b/linux-user/signal.c
>>>> index 4157154..c0a6f7e 100644
>>>> --- a/linux-user/signal.c
>>>> +++ b/linux-user/signal.c
>>>> @@ -3532,7 +3532,8 @@ static void setup_frame(int sig, struct
>>>> target_sigaction *ka,
>>>>
>>>> /* Return from sighandler will jump to the tramp.
>>>> Negative 8 offset because return is rtsd r15, 8 */
>>>> - env->regs[15] = ((unsigned long)frame->tramp) - 8;
>>>> + env->regs[15] = frame_addr + offsetof(struct target_signal_frame,
>>>> tramp)
>>>> + - 8;
>>>> }
>>>>
>>>> /* Set up registers for signal handler */
>>>
>>> Reviewed-by: Peter Maydell <address@hidden>
>>>
>>
>> Thank all of you for the 2 patches reviewing.
>>
>> I guess, this month, I may have free time (at least, will not be as busy
>> as the previous month), I shall finish tilegx floating point insns (it
>> has been delayed too long).
>
> Reviewed-by: Edgar E. Iglesias <address@hidden>
>
OK, thank you for your work.
And now (finally), I guess, I should have free time for open source, and
I should try to finish tilegx floating point insns within this month.
Thanks.
--
Chen Gang (陈刚)
Managing Natural Environments is the Duty of Human Beings.