On 2011-08-29 20:22, Stefan Weil wrote:
> Am 29.08.2011 12:12, schrieb Jan Kiszka:
>> On 2011-08-28 22:43, Stefan Weil wrote:
>>> Use QEMU_PACKED to eliminate the effects of compiler option
>>> -mms-bitfields.
>>>
>>> Cc: Jan Kiszka<jan.kis...@siemens.com>
>>> Signed-off-by: Stefan Weil<w...@mail.berlios.de>
>>> ---
>>>   slirp/slirp.h |    2 +-
>>>   1 files changed, 1 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/slirp/slirp.h b/slirp/slirp.h
>>> index dcf99d5..28a5c03 100644
>>> --- a/slirp/slirp.h
>>> +++ b/slirp/slirp.h
>>> @@ -199,7 +199,7 @@ struct arphdr {
>>>       uint32_t      ar_sip;           /* sender IP address       */
>>>       unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
>>>       uint32_t      ar_tip;           /* target IP address       */
>>> -} __attribute__((packed));
>>> +} QEMU_PACKED;
>>>
>>>   #define ARP_TABLE_SIZE 16
>>>
>>
>> There are further cases in slirp. Please address them as well.
>>
>> Jan
> 
> I only addressed those cases which are affected by -mms-bitfields, see
> http://lists.gnu.org/archive/html/qemu-devel/2011-08/msg03428.html.
> 
> Other files with __attribute__((packed)) will be handled in separate
> patches.

OK, but this was not clear from the patch description.

> 
> I don't think that I missed a case which breaks slirp, but if I did,
> just tell me the struct name so I can fix it, too.

From just looking at the slirp struct, you are likely safe as none
should have odd layouts.

Jan

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