Hi Alexey & James,
Thanks for your info! I'll update the toolchain of my build server. :-)
--Lucy
Alexey V. Lapshin wrote:
> Hi All,
>
> Support for long long bitfields was first implemented in SunStudio12.
> Please see 6484753, 6496021 CR`s.
>
> Alexey.
>
> [EMAIL PROTECTED] wrote:
>
>>
>> ---------- Forwarded message ----------
>> Date: Thu, 11 Oct 2007 21:43:59 +1000
>> From: James C. McPherson <[EMAIL PROTECTED]>
>> To: Xiu-Yan Wang <[EMAIL PROTECTED]>
>> Cc: tools-discuss@opensolaris.org, Cathy Thomas
>> <[EMAIL PROTECTED]>,
>> Ray Han <[EMAIL PROTECTED]>
>> Subject: Re: [tools-discuss] Question on bit-field definitions under cc
>>
>> Xiu-Yan Wang wrote:
>>
>>> Hi all,
>>>
>>> When using cc bundled in SUNWspro to compile codes with bit-field
>>> definitions like the following:
>>>
>>> typedef struct test_bitfield_s {
>>> uint64_t
>>> field0 : 8,
>>> field1 : 8,
>>> field2 : 8,
>>> field3 : 8,
>>> field4 : 8,
>>> field5 : 8,
>>> field6 : 8,
>>> field7 : 8,
>>> }test_bitfield_t;
>>>
>>> I got the below error messages:
>>>
>>> "../include/message.h", line 48: invalid type for bit-field: field0
>>> "../include/message.h", line 49: invalid type for bit-field: field1
>>> "../include/message.h", line 50: invalid type for bit-field: field2
>>> "../include/message.h", line 51: invalid type for bit-field: field3
>>> "../include/message.h", line 52: invalid type for bit-field: field4
>>> "../include/message.h", line 53: invalid type for bit-field: field5
>>> "../include/message.h", line 54: invalid type for bit-field: field6
>>> "../include/message.h", line 55: invalid type for bit-field: field7
>>>
>>> The error messages would disappear if uint64_t was replaced with
>>> uint8_t, uint16_t, or uint32_t. So it seems that for cc contained in
>>> SUNWspro 64-bit type can not be used in bit-field definitions. Could
>>> someone familiar with the compiler confirm this or correct me if I'm
>>> wrong?
>>>
>>> BTW, gcc allows 64-bit type to be used in bit-field definitions.
>>
>>
>>
>> This code compiles fine with Studio 12::
>>
>> ===============================================
>> #include <sys/types.h>
>> #include <stdlib.h>
>>
>> typedef struct test_bitfield_s {
>> uint64_t
>> field0 : 8,
>> field1 : 8,
>> field2 : 8,
>> field3 : 8,
>> field4 : 8,
>> field5 : 8,
>> field6 : 8,
>> field7 : 8;
>> } test_bitfield_t;
>>
>> int
>> main(int argc, char **argv) {
>> exit(0);
>> }
>>
>> ===============================================
>>
>>
>>
>> But with Studio 11 from /ws/onnv-tools, I get
>> the same error messages that you do
>>
>>
>> $ /opt/SUNWspro/bin/cc -V
>> cc: Sun C 5.9 SunOS_i386 2007/05/03
>>
>> $ /ws/onnv-tools/SUNWspro/SS11/bin/cc -V
>> cc: Sun C 5.8 Patch 121016-05 2007/01/10
>> usage: cc [ options] files. Use 'cc -flags' for details
>>
>>
>> I think you've found a bug in the compilers.
>>
>> I've logged
>>
>>
>> 6615708 Studio11 doesn't grok uint64_t bitfields
>>
>>
>> and included you on the interest list.
>>
>>
>> James C. McPherson
>> --
>> Senior Kernel Software Engineer, Solaris
>> Sun Microsystems
>> _______________________________________________
>> tools-discuss mailing list
>> tools-discuss@opensolaris.org
>
>
>
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