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From: Jiang Jilin <freephp@gmail.com>
Date: Mon, 31 Aug 2009 02:52:00 -0000
Message-ID: <7d77a27d0908301732x4c8b4aefo376e2125d3408537@mail.gmail.com>
Subject: Re: [PATCH] Fix cygwin build error with i386-linux-tdep.c
To: Hui Zhu <teawater@gmail.com>
Cc: gdb-patches ml <gdb-patches@sourceware.org>, Michael Snyder <msnyder@vmware.com>
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On Mon, Aug 31, 2009 at 7:52 AM, Jiang Jilin<freephp@gmail.com> wrote:
> On Mon, Aug 31, 2009 at 7:43 AM, Hui Zhu<teawater@gmail.com> wrote:
>> On Mon, Aug 31, 2009 at 07:39, Jiang Jilin<freephp@gmail.com> wrote:
>>> On Sun, Aug 30, 2009 at 11:22 PM, Hui Zhu<teawater@gmail.com> wrote:
>>>> On Sun, Aug 30, 2009 at 23:13, Jiang Jilin<freephp@gmail.com> wrote:
>>>>> On Sun, Aug 30, 2009 at 9:15 PM, Hui Zhu<teawater@gmail.com> wrote:
>>>>>> Hi guys,
>>>>>>
>>>>>> =A0 if (tmpu32 > 499)
>>>>>> =A0 =A0 {
>>>>>> =A0 =A0 =A0 printf_unfiltered (_("Process record and replay target d=
oesn't "
>>>>>> - =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 "support sysca=
ll number %u\n"), tmpu32);
>>>>>> + =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 "support sysca=
ll number %u\n"), (unsigned) tmpu32);
>>>>>> =A0 =A0 =A0 return -1;
>>>>>> =A0 =A0 }
>>>>>>
>>>>>
>>>>> Sorry, it's not clear to me.
>>>>>
>>>>> when looking into the code, I found the type of tmpu32 is uint32_t,
>>>>> why did the gcc complain "warning: unsigned int format, uint32_t arg
>>>>> (arg 2)"?
>>>>>
>>>>> %u doesn't mean unsigned int?
>>>>>
>>>>
>>>> Really? =A0what does it mean?
>>>
>>> I mean without your patch, the type of tmpu32 _is_ uint32_t, why did
>>> gcc complain? and when you cast it to unsigned, the warning
>>> disappeared?
>>>
>>
>> I am not sure the unit32_t in cygwin. =A0But it looks like uint32_t is
>> not unsigned int in cygwin.
>> And "unsigned" is seems "unsigned int".
>
> If it's true, that is, uint32_t is not unsigned int in cygwin, =A0I
> think there is a =A0bug in cygwin, we should redefine the uint32_t to
> real unsigned int, shouldn't we?

ok, I got it.  uint32_t is typedefed to  long unsigned int in cygwin .

Thank!

Jiang