I used a tarball from the website. I'll try and find out a git/svn url and
checkout the head revision of the trunk.
--
Laurent
On Mar 6, 2013, at 4:10 AM, David Chisnall <thera...@sucs.org> wrote:
> Hi Laurent,
>
> This doesn't look like the code from trunk. Are you using an old release?
> As I said, I think this bug is fixed some months ago.
>
> David
>
> On 6 Mar 2013, at 01:12, Laurent Michel <l...@thorgal.homelinux.org> wrote:
>
>> David,
>>
>> I recompiled and here is the trace:
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0xb7a55695 in isEmptyProtocol (aProto=0xb7736f90) at protocol.c:62
>> 62 isEmpty &= (p2->properties->count == 0);
>> (gdb) where
>> #0 0xb7a55695 in isEmptyProtocol (aProto=0xb7736f90) at protocol.c:62
>> #1 0xb7a5553e in unique_protocol (aProto=0xb7736f90) at protocol.c:118
>> #2 0xb7a534eb in init_protocols (protocols=0xb7736fb0) at protocol.c:189
>> #3 0xb7a534da in init_protocols (protocols=0xb773a0c0) at protocol.c:186
>> #4 0xb7a5328a in objc_init_protocols (protocols=0xb773a0c0) at
>> protocol.c:196
>> #5 0xb7a48264 in load_category (cat=0xb773a2c0, class=0xb7a64340) at
>> category_loader.c:38
>> #6 0xb7a47f02 in try_load_category (cat=0xb773a2c0) at category_loader.c:50
>> #7 0xb7a47e6a in objc_try_load_category (cat=0xb773a2c0) at
>> category_loader.c:63
>> #8 0xb7a5143f in __objc_exec_class (module=0xb773a398) at loader.c:89
>> #9 0xb76c55a4 in .objc_load_function () from
>> /home/ldm/work/platform/Clo/queens2/../ORFoundation/libORFoundation.so
>> #10 0xb7fece9b in ?? () from /lib/ld-linux.so.2
>> #11 0xb7fecf84 in ?? () from /lib/ld-linux.so.2
>> #12 0xb7fdf20f in ?? () from /lib/ld-linux.so.2
>>
>>
>> So line 62.
>>
>> It won't show the variables though:
>>
>> (gdb) p *p2
>> $3 = {
>> isa = 0xb7a642f0,
>> name = 0xb771df54 "ORExpr",
>> protocol_list = 0xb7795a18,
>> instance_methods = 0xb7795a20,
>> class_methods = 0xb7795a20,
>> optional_instance_methods = 0xb7795a20,
>> optional_class_methods = 0xb7795a20,
>> properties = 0x0,
>> optional_properties = 0x0
>> }
>> (gdb) l
>> 57 if (aProto->isa == ObjC2ProtocolClass)
>> 58 {
>> 59 struct objc_protocol2 *p2 = (struct
>> objc_protocol2*)aProto;
>> 60 isEmpty &= (p2->optional_instance_methods->count == 0);
>> 61 isEmpty &= (p2->optional_class_methods->count == 0);
>> 62 isEmpty &= (p2->properties->count == 0);
>> 63 isEmpty &= (p2->optional_properties->count == 0);
>> 64 }
>> 65 return isEmpty;
>> 66 }
>>
>> So p2->properties is NULL and trying to access the count attribute crashes.
>> This is happening on a protocol
>> of mine (ORExpr) which inherits from other protocols:
>>
>> @protocol ORExpr <ORConstraint,NSObject,NSCoding>
>> -(id<ORTracker>) tracker;
>> -(ORInt) min;
>> -(ORInt) max;
>> -(BOOL) isConstant;
>> -(BOOL) isVariable;
>>
>> ....
>>
>> @end
>>
>> Any ideas?
>>
>>
>> On Mar 5, 2013, at 7:20 AM, Laurent Michel <l...@thorgal.homelinux.org>
>> wrote:
>>
>>>
>>> On Mar 5, 2013, at 4:10 AM, David Chisnall <thera...@sucs.org> wrote:
>>>
>>>> Hi,
>>>>
>>>> How old is your runtime? Without debugging symbols, this looks like it
>>>> might be a bug that was fixed in May last year. It would really help if
>>>> you could do a debug build of the runtime and let me know exactly what is
>>>> failing. If you do ccmake . in your libobjc2 build directory, and change
>>>> the build type to Debug, you should get the symbols.
>>>
>>> libobjc2 was 1.6.1
>>>
>>>
>>> ldm@ubuntu:/usr/local/src/old$ sha1sum libobjc2-1.6.tar.gz
>>> 348ab64899b25ecb2bfdfd13ebeeab2d6a2c8988 libobjc2-1.6.tar.gz
>>>
>>>
>>> total 9196
>>> drwxr-xr-x 4 root root 4096 Mar 4 08:37 GNUstep
>>> lrwxrwxrwx 1 root root 23 Mar 4 08:37 libgnustep-base.so ->
>>> libgnustep-base.so.1.24
>>> lrwxrwxrwx 1 root root 25 Mar 4 08:37 libgnustep-base.so.1.24 ->
>>> libgnustep-base.so.1.24.3
>>> -rwxr-xr-x 1 root root 9105637 Mar 4 08:36 libgnustep-base.so.1.24.3
>>> -r--r--r-- 1 root root 136452 May 18 2012 libobjc.a
>>> lrwxrwxrwx 1 root root 31 May 18 2012 libobjc.so ->
>>> /usr/local/lib/libobjc.so.4.6.0
>>> lrwxrwxrwx 1 root root 31 May 18 2012 libobjc.so.4 ->
>>> /usr/local/lib/libobjc.so.4.6.0
>>> lrwxrwxrwx 1 root root 31 May 18 2012 libobjc.so.4.6 ->
>>> /usr/local/lib/libobjc.so.4.6.0
>>> -r--r--r-- 1 root root 140820 May 18 2012 libobjc.so.4.6.0
>>> lrwxrwxrwx 1 root root 33 May 18 2012 libobjcxx.so ->
>>> /usr/local/lib/libobjcxx.so.4.6.0
>>> lrwxrwxrwx 1 root root 33 May 18 2012 libobjcxx.so.4 ->
>>> /usr/local/lib/libobjcxx.so.4.6.0
>>> lrwxrwxrwx 1 root root 33 May 18 2012 libobjcxx.so.4.6 ->
>>> /usr/local/lib/libobjcxx.so.4.6.0
>>> -r--r--r-- 1 root root 13002 May 18 2012 libobjcxx.so.4.6.0
>>> drwxrwsr-x 4 root staff 4096 Mar 3 13:33 python2.7
>>> ldm@ubuntu:/usr/local/lib$
>>>
>>> I was looking yesterday night for a more recent tar ball, but couldn't
>>> locate one.
>>>
>>> I'll recompile libobjc2 in debug and will update you. Thanks for the info
>>> David!
>>>
>>> --
>>> Laurent
>>>
>>>
>>>>
>>>> David
>>>>
>>>> On 5 Mar 2013, at 01:37, Laurent Michel <l...@engr.uconn.edu> wrote:
>>>>
>>>>> PS/ I decided to recompile GNUstep simply because I was experiencing a
>>>>> crash with my compiled binary during the
>>>>> library initializations of GNUstep/libobjc. Namely, here is the backtrace:
>>>>>
>>>>> [Thread debugging using libthread_db enabled]
>>>>> Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
>>>>> [New Thread 0xb7021b40 (LWP 8378)]
>>>>>
>>>>> Program received signal SIGSEGV, Segmentation fault.
>>>>> 0xb7a58d50 in init_protocols () from /usr/local/lib/libobjc.so
>>>>> (gdb) where
>>>>> #0 0xb7a58d50 in init_protocols () from /usr/local/lib/libobjc.so
>>>>> #1 0xb7a58c47 in init_protocols () from /usr/local/lib/libobjc.so
>>>>> #2 0xb7a588c1 in objc_init_protocols () from /usr/local/lib/libobjc.so
>>>>> #3 0xb7a517e3 in objc_try_load_category () from /usr/local/lib/libobjc.so
>>>>> #4 0xb7a57251 in __objc_exec_class () from /usr/local/lib/libobjc.so
>>>>> #5 0xb76d15d4 in .objc_load_function () from
>>>>> /home/ldm/work/platform/Clo/queens2/../ORFoundation/libORFoundation.so
>>>>> #6 0xb7fece9b in ?? () from /lib/ld-linux.so.2
>>>>> #7 0xb7fecf84 in ?? () from /lib/ld-linux.so.2
>>>>> #8 0xb7fdf20f in ?? () from /lib/ld-linux.so.2
>>>>> (gdb) quit
>>>>> A debugging session is active.
>>>>
>>>> --
>>>> This email complies with ISO 3103
>>>>
>>>>
>>>> _______________________________________________
>>>> Gnustep-dev mailing list
>>>> Gnustep-dev@gnu.org
>>>> https://lists.gnu.org/mailman/listinfo/gnustep-dev
>>>
>>
>>
>> _______________________________________________
>> Gnustep-dev mailing list
>> Gnustep-dev@gnu.org
>> https://lists.gnu.org/mailman/listinfo/gnustep-dev
>
>
>
>
> -- Sent from my Difference Engine
>
>
>
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