Fwd: [PATCH 2/4] covoar: Use DWARF to map addresses to source files and lines.
Joel Sherrill
joel at rtems.org
Mon May 7 19:54:01 UTC 2018
Thanks. Definitely something in rld DWARF support.
On Mon, May 7, 2018 at 2:36 PM, Cillian O'Donnell <cpodonnell8 at gmail.com>
wrote:
> Valgrind, Invalid read of size 8
>
> cpod at cpod ~/development/rtems/leon3 $ valgrind covoar -S
> /home/cpod/development/rtems/test/rtems-tools/tester/rtems/
> testing/coverage/score-symbols.ini -O /home/cpod/coverage_test/test/score
> -E/home/cpod/development/rtems/test/rtems-tools/tester/
> rtems/testing/coverage/Explanations.txt -p RTEMS-5 -v
> sparc-rtems5/c/leon3/testsuites/samples/hello/hello.exe
> ==20928== Memcheck, a memory error detector
> ==20928== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
> ==20928== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright
> info
> ==20928== Command: covoar -S /home/cpod/development/rtems/
> test/rtems-tools/tester/rtems/testing/coverage/score-symbols.ini -O
> /home/cpod/coverage_test/test/score -E/home/cpod/development/
> rtems/test/rtems-tools/tester/rtems/testing/coverage/Explanations.txt -p
> RTEMS-5 -v sparc-rtems5/c/leon3/testsuites/samples/hello/hello.exe
> ==20928==
> ==20928== Invalid read of size 8
> ==20928== at 0x43FBDC: pop_back (stl_vector.h:951)
> ==20928== by 0x43FBDC: rld::path::path_abs(std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&) (rld-path.cpp:148)
> ==20928== by 0x42BC49: rld::dwarf::compilation_unit::
> compilation_unit(rld::dwarf::file&, rld::dwarf::debug_info_entry&,
> unsigned long) (rld-dwarf.cpp:486)
> ==20928== by 0x42D204: rld::dwarf::file::load_debug()
> (rld-dwarf.cpp:758)
> ==20928== by 0x40DEC4: Coverage::ExecutableInfo::ExecutableInfo(char
> const*, char const*) (ExecutableInfo.cc:33)
> ==20928== by 0x4054B5: main (covoar.cc:330)
> ==20928== Address 0x6d74610 is 32 bytes before a block of size 256 in
> arena "client"
> ==20928==
> ==20928== Invalid free() / delete / delete[] / realloc()
> ==20928== at 0x4C2F24B: operator delete(void*) (in
> /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
> ==20928== by 0x43FBED: deallocate (new_allocator.h:110)
> ==20928== by 0x43FBED: deallocate (alloc_traits.h:517)
> ==20928== by 0x43FBED: _M_destroy (basic_string.h:185)
> ==20928== by 0x43FBED: _M_dispose (basic_string.h:180)
> ==20928== by 0x43FBED: ~basic_string (basic_string.h:543)
> ==20928== by 0x43FBED: destroy<std::__cxx11::basic_string<char> >
> (new_allocator.h:124)
> ==20928== by 0x43FBED: destroy<std::__cxx11::basic_string<char> >
> (alloc_traits.h:542)
> ==20928== by 0x43FBED: pop_back (stl_vector.h:952)
> ==20928== by 0x43FBED: rld::path::path_abs(std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&) (rld-path.cpp:148)
> ==20928== by 0x42BC49: rld::dwarf::compilation_unit::
> compilation_unit(rld::dwarf::file&, rld::dwarf::debug_info_entry&,
> unsigned long) (rld-dwarf.cpp:486)
> ==20928== by 0x42D204: rld::dwarf::file::load_debug()
> (rld-dwarf.cpp:758)
> ==20928== by 0x40DEC4: Coverage::ExecutableInfo::ExecutableInfo(char
> const*, char const*) (ExecutableInfo.cc:33)
> ==20928== by 0x4054B5: main (covoar.cc:330)
> ==20928== Address 0x140 is not stack'd, malloc'd or (recently) free'd
> ==20928==
> ==20928== Invalid write of size 8
> ==20928== at 0x43FD91: _M_local_data (basic_string.h:141)
> ==20928== by 0x43FD91: basic_string (basic_string.h:399)
> ==20928== by 0x43FD91: construct<std::__cxx11::basic_string<char>,
> const std::__cxx11::basic_string<char, std::char_traits<char>,
> std::allocator<char> >&> (new_allocator.h:120)
> ==20928== by 0x43FD91: construct<std::__cxx11::basic_string<char>,
> const std::__cxx11::basic_string<char, std::char_traits<char>,
> std::allocator<char> >&> (alloc_traits.h:530)
> ==20928== by 0x43FD91: push_back (stl_vector.h:917)
> ==20928== by 0x43FD91: rld::path::path_abs(std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&) (rld-path.cpp:152)
> ==20928== by 0x42BC49: rld::dwarf::compilation_unit::
> compilation_unit(rld::dwarf::file&, rld::dwarf::debug_info_entry&,
> unsigned long) (rld-dwarf.cpp:486)
> ==20928== by 0x42D204: rld::dwarf::file::load_debug()
> (rld-dwarf.cpp:758)
> ==20928== by 0x40DEC4: Coverage::ExecutableInfo::ExecutableInfo(char
> const*, char const*) (ExecutableInfo.cc:33)
> ==20928== by 0x4054B5: main (covoar.cc:330)
> ==20928== Address 0x6d74610 is 32 bytes before a block of size 256 in
> arena "client"
> ==20928==
> ==20928==
> ==20928== Process terminating with default action of signal 11 (SIGSEGV)
> ==20928== Access not within mapped region at address 0xDAE8C28
> ==20928== at 0x43F1A8: void std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*,
> char*, std::forward_iterator_tag) [clone .isra.30] (basic_string.tcc:221)
> ==20928== by 0x43FDA2: _M_construct_aux<char*> (basic_string.h:195)
> ==20928== by 0x43FDA2: _M_construct<char*> (basic_string.h:214)
> ==20928== by 0x43FDA2: basic_string (basic_string.h:400)
> ==20928== by 0x43FDA2: construct<std::__cxx11::basic_string<char>,
> const std::__cxx11::basic_string<char, std::char_traits<char>,
> std::allocator<char> >&> (new_allocator.h:120)
> ==20928== by 0x43FDA2: construct<std::__cxx11::basic_string<char>,
> const std::__cxx11::basic_string<char, std::char_traits<char>,
> std::allocator<char> >&> (alloc_traits.h:530)
> ==20928== by 0x43FDA2: push_back (stl_vector.h:917)
> ==20928== by 0x43FDA2: rld::path::path_abs(std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&) (rld-path.cpp:152)
> ==20928== by 0x42BC49: rld::dwarf::compilation_unit::
> compilation_unit(rld::dwarf::file&, rld::dwarf::debug_info_entry&,
> unsigned long) (rld-dwarf.cpp:486)
> ==20928== by 0x42D204: rld::dwarf::file::load_debug()
> (rld-dwarf.cpp:758)
> ==20928== by 0x40DEC4: Coverage::ExecutableInfo::ExecutableInfo(char
> const*, char const*) (ExecutableInfo.cc:33)
> ==20928== by 0x4054B5: main (covoar.cc:330)
> ==20928== If you believe this happened as a result of a stack
> ==20928== overflow in your program's main thread (unlikely but
> ==20928== possible), you can try to increase the size of the
> ==20928== main thread stack using the --main-stacksize= flag.
> ==20928== The main thread stack size used in this run was 8388608.
> ==20928==
> ==20928== HEAP SUMMARY:
> ==20928== in use at exit: 6,603,094 bytes in 39,763 blocks
> ==20928== total heap usage: 98,260 allocs, 58,498 frees, 8,844,293 bytes
> allocated
> ==20928==
> ==20928== LEAK SUMMARY:
> ==20928== definitely lost: 55 bytes in 3 blocks
> ==20928== indirectly lost: 0 bytes in 0 blocks
> ==20928== possibly lost: 0 bytes in 0 blocks
> ==20928== still reachable: 6,603,039 bytes in 39,760 blocks
> ==20928== suppressed: 0 bytes in 0 blocks
> ==20928== Rerun with --leak-check=full to see details of leaked memory
> ==20928==
> ==20928== For counts of detected and suppressed errors, rerun with: -v
> ==20928== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 0 from 0)
> Segmentation fault
>
>
> On 7 May 2018 at 20:16, Cillian O'Donnell <cpodonnell8 at gmail.com> wrote:
>
>> Heres the gdb backtrace. rld-dwarf.cpp rld-path showing up near the
>> bottom. I don't have valgrind, I'll get it now and see what I find there.
>>
>> (gdb) bt
>> #0 0x00007ffff74aa428 in __GI_raise (sig=sig at entry=6)
>> at ../sysdeps/unix/sysv/linux/raise.c:54
>> #1 0x00007ffff74ac02a in __GI_abort () at abort.c:89
>> #2 0x00007ffff74ec7ea in __libc_message (do_abort=do_abort at entry=2,
>> fmt=fmt at entry=0x7ffff7605ed8 "*** Error in `%s': %s: 0x%s ***\n")
>> at ../sysdeps/posix/libc_fatal.c:175
>> #3 0x00007ffff74f537a in malloc_printerr (ar_ptr=<optimized out>,
>> ptr=<optimized out>, str=0x7ffff7605f50 "free(): invalid next size
>> (fast)",
>> action=3) at malloc.c:5006
>> #4 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at
>> malloc.c:3867
>> #5 0x00007ffff74f953c in __GI___libc_free (mem=<optimized out>) at
>> malloc.c:2968
>> #6 0x000000000043fcee in __gnu_cxx::new_allocator<std::__cxx11::basic_string<char,
>> std::char_traits<char>, std::allocator<char> > >::deallocate
>> (this=0x7fffffffc730,
>> __p=<optimized out>) at /usr/include/c++/5/ext/new_allocator.h:110
>> #7 std::allocator_traits<std::allocator<std::__cxx11::basic_string<char,
>> std::char_traits<char>, std::allocator<char> > > >::deallocate (__a=...,
>> __n=<optimized out>, __p=<optimized out>)
>> at /usr/include/c++/5/bits/alloc_traits.h:517
>> #8 std::_Vector_base<std::__cxx11::basic_string<char,
>> std::char_traits<char>, std::allocator<char> >,
>> std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char> > > >::_M_deallocate (this=0x7fffffffc730,
>> __n=<optimized out>, __p=<optimized out>)
>> at /usr/include/c++/5/bits/stl_vector.h:178
>> #9 std::_Vector_base<std::__cxx11::basic_string<char,
>> std::char_traits<char>, std::allocator<char> >,
>> std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char> > > >::~_Vector_base (this=0x7fffffffc730,
>> __in_chrg=<optimized out>) at /usr/include/c++/5/bits/stl_ve
>> ctor.h:160
>> #10 std::vector<std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char,
>> std::char_traits<char>, std::allocator<char> > > >::~vector
>> (this=0x7fffffffc730,
>> __in_chrg=<optimized out>) at /usr/include/c++/5/bits/stl_ve
>> ctor.h:425
>> #11 rld::path::path_abs (path=...) at ../rtemstoolkit/rld-path.cpp:132
>> #12 0x000000000042bc4a in rld::dwarf::compilation_unit::compilation_unit
>> (
>> this=0x7fffffffca30, debug=..., die=..., offset=<optimized out>)
>> at ../rtemstoolkit/rld-dwarf.cpp:486
>> #13 0x000000000042d205 in rld::dwarf::file::load_debug (this=this at entry
>> =0x6bc568)
>> at ../rtemstoolkit/rld-dwarf.cpp:758
>> #14 0x000000000040dec5 in Coverage::ExecutableInfo::ExecutableInfo
>> (this=0x6bc3c0,
>> theExecutableName=<optimized out>, theLibraryName=0x0)
>> at ../tester/covoar/ExecutableInfo.cc:33
>> #15 0x00000000004054b6 in main (argc=<optimized out>, argv=<optimized
>> out>)
>> at ../tester/covoar/covoar.cc:330
>>
>>
>> On 7 May 2018 at 20:03, Joel Sherrill <joel at rtems.org> wrote:
>>
>>>
>>>
>>> On Mon, May 7, 2018 at 1:59 PM, Cillian O'Donnell <cpodonnell8 at gmail.com
>>> > wrote:
>>>
>>>>
>>>>
>>>> On 7 May 2018 at 18:56, Joel Sherrill <joel at rtems.org> wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> I have attached a workaround. It seems that libgen.h has this:
>>>>>
>>>>> ========================================================
>>>>> /* Return final component of PATH.
>>>>>
>>>>> This is the weird XPG version of this function. It sometimes will
>>>>> modify its argument. Therefore we normally use the GNU version (in
>>>>> <string.h>) and only if this header is included make the XPG
>>>>> version available under the real name. */
>>>>> extern char *__xpg_basename (char *__path) __THROW;
>>>>> #define basename __xpg_basename
>>>>> ========================================================
>>>>>
>>>>> Chris has used basename as a method name and even though that should
>>>>> be perfectly acceptable, the macro above gets expanded, the name
>>>>> gets changed (in some places) to rld::path::__xpg_basename()
>>>>>
>>>>> r.lowSourceLine = rld::path::basename (location);
>>>>>
>>>>> IMO the fix is to add dirname to rld-files, use rld basename and
>>>>> dirname
>>>>> exclusively, and avoid libgen.h at all costs.
>>>>>
>>>>> I didn't do that much work. I got lucky in a couple of files by
>>>>> removing the
>>>>> include of libgen.h since it wasn't needed but I had to leave it in
>>>>> one place.
>>>>>
>>>>> $ grep dirname *.cc
>>>>> GcovData.cc: dirname( path );
>>>>>
>>>>> Hopefully this lets you all proceed with Chris' patches and my slight
>>>>> hack
>>>>> in place.
>>>>>
>>>>
>>>> Thanks Joel! The good news is that's building now with only a couple of
>>>> warnings.
>>>>
>>>> The bad news is..
>>>>
>>>> cpod at cpod ~/development/rtems/leon3 $ covoar -S
>>>> /home/cpod/development/rtems/test/rtems-tools/tester/rtems/t
>>>> esting/coverage/score-symbols.ini -O /home/cpod/coverage_test/test/score
>>>> -E/home/cpod/development/rtems/test/rtems-tools/tester/rtems
>>>> /testing/coverage/Explanations.txt -p RTEMS-5 -v
>>>> sparc-rtems5/c/leon3/testsuites/samples/hello/hello.exe
>>>> *** Error in `covoar': free(): invalid next size (fast):
>>>> 0x0000000001000360 ***
>>>> ======= Backtrace: =========
>>>> /lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7fcd0b3477e5]
>>>> /lib/x86_64-linux-gnu/libc.so.6(+0x8037a)[0x7fcd0b35037a]
>>>> /lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7fcd0b35453c]
>>>> covoar[0x43fcee]
>>>> covoar[0x42bc4a]
>>>> covoar[0x42d205]
>>>> covoar[0x40dec5]
>>>> covoar[0x4054b6]
>>>> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7fcd0b2f0830]
>>>> covoar[0x4073e9]
>>>> ======= Memory map: ========
>>>> 00400000-004a8000 r-xp 00000000 08:07 3276534
>>>> /home/cpod/development/rtems/test/rtems-tools/build/tester/c
>>>> ovoar/covoar
>>>> 006a7000-006a8000 r--p 000a7000 08:07 3276534
>>>> /home/cpod/development/rtems/test/rtems-tools/build/tester/c
>>>> ovoar/covoar
>>>> 006a8000-006a9000 rw-p 000a8000 08:07 3276534
>>>> /home/cpod/development/rtems/test/rtems-tools/build/tester/c
>>>> ovoar/covoar
>>>> 006a9000-006aa000 rw-p 00000000 00:00 0
>>>> 00c6a000-01022000 rw-p 00000000 00:00 0
>>>> [heap]
>>>> 7fcd04000000-7fcd04021000 rw-p 00000000 00:00 0
>>>> 7fcd04021000-7fcd08000000 ---p 00000000 00:00 0
>>>> 7fcd0a9ae000-7fcd0ac36000 rw-p 00000000 00:00 0
>>>> 7fcd0ac36000-7fcd0afc7000 r--p 00000000 08:07
>>>> 2759194 /home/cpod/development/rtems/l
>>>> eon3/sparc-rtems5/c/leon3/testsuites/samples/hello/hello.exe
>>>> 7fcd0afc7000-7fcd0b0cf000 r-xp 00000000 08:07
>>>> 1838070 /lib/x86_64-linux-gnu/libm-2.23.so
>>>> 7fcd0b0cf000-7fcd0b2ce000 ---p 00108000 08:07
>>>> 1838070 /lib/x86_64-linux-gnu/libm-2.23.so
>>>> 7fcd0b2ce000-7fcd0b2cf000 r--p 00107000 08:07
>>>> 1838070 /lib/x86_64-linux-gnu/libm-2.23.so
>>>> 7fcd0b2cf000-7fcd0b2d0000 rw-p 00108000 08:07
>>>> 1838070 /lib/x86_64-linux-gnu/libm-2.23.so
>>>> 7fcd0b2d0000-7fcd0b490000 r-xp 00000000 08:07
>>>> 1842682 /lib/x86_64-linux-gnu/libc-2.23.so
>>>> 7fcd0b490000-7fcd0b690000 ---p 001c0000 08:07
>>>> 1842682 /lib/x86_64-linux-gnu/libc-2.23.so
>>>> 7fcd0b690000-7fcd0b694000 r--p 001c0000 08:07
>>>> 1842682 /lib/x86_64-linux-gnu/libc-2.23.so
>>>> 7fcd0b694000-7fcd0b696000 rw-p 001c4000 08:07
>>>> 1842682 /lib/x86_64-linux-gnu/libc-2.23.so
>>>> 7fcd0b696000-7fcd0b69a000 rw-p 00000000 00:00 0
>>>> 7fcd0b69a000-7fcd0b6b0000 r-xp 00000000 08:07
>>>> 1836727 /lib/x86_64-linux-gnu/libgcc_s.so.1
>>>> 7fcd0b6b0000-7fcd0b8af000 ---p 00016000 08:07
>>>> 1836727 /lib/x86_64-linux-gnu/libgcc_s.so.1
>>>> 7fcd0b8af000-7fcd0b8b0000 rw-p 00015000 08:07
>>>> 1836727 /lib/x86_64-linux-gnu/libgcc_s.so.1
>>>> 7fcd0b8b0000-7fcd0ba22000 r-xp 00000000 08:07
>>>> 1049309 /usr/lib/x86_64-linux-gnu/libs
>>>> tdc++.so.6.0.21
>>>> 7fcd0ba22000-7fcd0bc22000 ---p 00172000 08:07
>>>> 1049309 /usr/lib/x86_64-linux-gnu/libs
>>>> tdc++.so.6.0.21
>>>> 7fcd0bc22000-7fcd0bc2c000 r--p 00172000 08:07
>>>> 1049309 /usr/lib/x86_64-linux-gnu/libs
>>>> tdc++.so.6.0.21
>>>> 7fcd0bc2c000-7fcd0bc2e000 rw-p 0017c000 08:07
>>>> 1049309 /usr/lib/x86_64-linux-gnu/libs
>>>> tdc++.so.6.0.21
>>>> 7fcd0bc2e000-7fcd0bc32000 rw-p 00000000 00:00 0
>>>> 7fcd0bc32000-7fcd0bc58000 r-xp 00000000 08:07
>>>> 1838072 /lib/x86_64-linux-gnu/ld-2.23.so
>>>> 7fcd0bd72000-7fcd0be30000 rw-p 00000000 00:00 0
>>>> 7fcd0be56000-7fcd0be57000 rw-p 00000000 00:00 0
>>>> 7fcd0be57000-7fcd0be58000 r--p 00025000 08:07
>>>> 1838072 /lib/x86_64-linux-gnu/ld-2.23.so
>>>> 7fcd0be58000-7fcd0be59000 rw-p 00026000 08:07
>>>> 1838072 /lib/x86_64-linux-gnu/ld-2.23.so
>>>> 7fcd0be59000-7fcd0be5a000 rw-p 00000000 00:00 0
>>>> 7ffc5053b000-7ffc5055d000 rw-p 00000000 00:00
>>>> 0 [stack]
>>>> 7ffc505d5000-7ffc505d7000 r--p 00000000 00:00
>>>> 0 [vvar]
>>>> 7ffc505d7000-7ffc505d9000 r-xp 00000000 00:00
>>>> 0 [vdso]
>>>> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00
>>>> 0 [vsyscall]
>>>> Aborted
>>>>
>>>
>>> OK. Sadly this is progress. :)
>>>
>>> Can you get a real backtrace in gdb?
>>>
>>> Or run it under valgrind? It is either a double free or a write past the
>>> end of a buffer. Based on the
>>> error mesage from glibc (" *** Error in `covoar': free(): invalid next
>>> size (fast): 0x0000000001000360 ***"),
>>> I suspect it is a write past the end of a buffer and valgrind would be
>>> better to spot that.
>>>
>>>
>>>>
>>>>
>>>>> Ultimate solution is probably simple. We just need to hear from Chris.
>>>>>
>>>>> --joel
>>>>>
>>>>>
>>>>> On Mon, May 7, 2018 at 12:42 PM, Joel Sherrill <joel at rtems.org> wrote:
>>>>>
>>>>>>
>>>>>>
>>>>>> On Mon, May 7, 2018 at 12:36 PM, Vijay Kumar Banerjee <
>>>>>> vijaykumar9597 at gmail.com> wrote:
>>>>>>
>>>>>>>
>>>>>>> On Mon, 7 May 2018, 22:57 Cillian O'Donnell, <cpodonnell8 at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Yeah I'm seeing the same as Joel, at least were further then we
>>>>>>>> were :).
>>>>>>>>
>>>>>>>> I've been mostly working on the rtems-tester support, so just to
>>>>>>>> give an update. I spent all day Saturday and today on it. It's taking
>>>>>>>> longer than expected, re-orienting myself and deciding what is needed and
>>>>>>>> not needed now with the changes in covoar. The problems are not difficult,
>>>>>>>> it's just taking some time re-organizing everything. My time is limited
>>>>>>>> during the week, so it'll probably be next weekend before I can finish it
>>>>>>>> off. Vijay if you have time during the week I could push what I have and
>>>>>>>> you could take a stab at some of them and then I could it finish off next
>>>>>>>> weekend if you haven't already.
>>>>>>>>
>>>>>>> please send them, I can look into them for sure.
>>>>>>>
>>>>>>
>>>>>> Keep plugging away.
>>>>>>
>>>>>> I think there is something wrong in rld related to basename. My first
>>>>>> thought was that the undefined symbol was because we didn't include the
>>>>>> library. Now I think it is because something got misconfigured on
>>>>>> Centos/Fedora/etc. Looking into this.
>>>>>>
>>>>>>
>>>>>>>
>>>>>>>> On 7 May 2018 at 15:40, Joel Sherrill <joel at rtems.org> wrote:
>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Mon, May 7, 2018 at 6:01 AM, Vijay Kumar Banerjee <
>>>>>>>>> vijaykumar9597 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> I have added the path to libdwarf here
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> That worked for me to build but not to link.
>>>>>>>>>
>>>>>>>>> I'm not sure why this rld symbol turned up missing on Centos 7.
>>>>>>>>>
>>>>>>>>> ====================================================
>>>>>>>>>
>>>>>>>>> $ ./waf -v
>>>>>>>>> Waf: Entering directory `/home/joel/rtems-work/rtems-tools/build'
>>>>>>>>> [228/229] Linking build/tester/covoar/trace-converter
>>>>>>>>> 09:38:25 runner ['/usr/bin/g++', 'tester/covoar/TraceConverter.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceList.cc.2.o', 'tester/covoar/TraceReaderBase.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceReaderLogQEMU.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceWriterBase.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceWriterQEMU.cc.2.o',
>>>>>>>>> '-o/home/joel/rtems-work/rtems-tools/build/tester/covoar/trace-converter',
>>>>>>>>> '-Wl,-Bstatic', '-Ltester/covoar', '-Lrtemstoolkit', '-lccovoar', '-lrld',
>>>>>>>>> '-ldwarf', '-lelf', '-liberty', '-Wl,-Bdynamic']
>>>>>>>>> [229/229] Linking build/tester/covoar/covoar
>>>>>>>>> 09:38:25 runner ['/usr/bin/g++', 'tester/covoar/covoar.cc.3.o',
>>>>>>>>> '-o/home/joel/rtems-work/rtems-tools/build/tester/covoar/covoar',
>>>>>>>>> '-Wl,-Bstatic', '-Ltester/covoar', '-Lrtemstoolkit', '-lccovoar', '-lrld',
>>>>>>>>> '-ldwarf', '-lelf', '-liberty', '-Wl,-Bdynamic']
>>>>>>>>> tester/covoar/libccovoar.a(DesiredSymbols.cc.1.o): In function
>>>>>>>>> `Coverage::DesiredSymbols::determineSourceLines(Coverage::CoverageRanges*,
>>>>>>>>> Coverage::ExecutableInfo*)':
>>>>>>>>> /home/joel/rtems-work/rtems-tools/build/../tester/covoar/DesiredSymbols.cc:413:
>>>>>>>>> undefined reference to `rld::path::__xpg_basename(std::string
>>>>>>>>> const&)'
>>>>>>>>> /home/joel/rtems-work/rtems-tools/build/../tester/covoar/DesiredSymbols.cc:415:
>>>>>>>>> undefined reference to `rld::path::__xpg_basename(std::string
>>>>>>>>> const&)'
>>>>>>>>> collect2: error: ld returned 1 exit status
>>>>>>>>>
>>>>>>>>> tester/covoar/libccovoar.a(DesiredSymbols.cc.1.o): In function
>>>>>>>>> `Coverage::DesiredSymbols::determineSourceLines(Coverage::CoverageRanges*,
>>>>>>>>> Coverage::ExecutableInfo*)':
>>>>>>>>> /home/joel/rtems-work/rtems-tools/build/../tester/covoar/DesiredSymbols.cc:413:
>>>>>>>>> undefined reference to `rld::path::__xpg_basename(std::string
>>>>>>>>> const&)'
>>>>>>>>> /home/joel/rtems-work/rtems-tools/build/../tester/covoar/DesiredSymbols.cc:415:
>>>>>>>>> undefined reference to `rld::path::__xpg_basename(std::string
>>>>>>>>> const&)'
>>>>>>>>> collect2: error: ld returned 1 exit status
>>>>>>>>>
>>>>>>>>> Waf: Leaving directory `/home/joel/rtems-work/rtems-tools/build'
>>>>>>>>> Build failed
>>>>>>>>> -> task in 'trace-converter' failed with exit status 1:
>>>>>>>>> {task 34721616: cxxprogram TraceConverter.cc.2.o,TraceLis
>>>>>>>>> t.cc.2.o,TraceReaderBase.cc.2.o,TraceReaderLogQEMU.cc.2.o,Tr
>>>>>>>>> aceWriterBase.cc.2.o,TraceWriterQEMU.cc.2.o -> trace-converter}
>>>>>>>>> ['/usr/bin/g++', 'tester/covoar/TraceConverter.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceList.cc.2.o', 'tester/covoar/TraceReaderBase.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceReaderLogQEMU.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceWriterBase.cc.2.o',
>>>>>>>>> 'tester/covoar/TraceWriterQEMU.cc.2.o',
>>>>>>>>> '-o/home/joel/rtems-work/rtems-tools/build/tester/covoar/trace-converter',
>>>>>>>>> '-Wl,-Bstatic', '-Ltester/covoar', '-Lrtemstoolkit', '-lccovoar', '-lrld',
>>>>>>>>> '-ldwarf', '-lelf', '-liberty', '-Wl,-Bdynamic']
>>>>>>>>> -> task in 'covoar' failed with exit status 1:
>>>>>>>>> {task 34820256: cxxprogram covoar.cc.3.o -> covoar}
>>>>>>>>> ['/usr/bin/g++', 'tester/covoar/covoar.cc.3.o',
>>>>>>>>> '-o/home/joel/rtems-work/rtems-tools/build/tester/covoar/covoar',
>>>>>>>>> '-Wl,-Bstatic', '-Ltester/covoar', '-Lrtemstoolkit', '-lccovoar', '-lrld',
>>>>>>>>> '-ldwarf', '-lelf', '-liberty', '-Wl,-Bdynamic']
>>>>>>>>> ====================================================
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ---
>>>>>>>>>>
>>>>>>>>>> diff --git a/tester/covoar/wscript b/tester/covoar/wscript
>>>>>>>>>> index 55d5ec9..dd4ad83 100644
>>>>>>>>>> --- a/tester/covoar/wscript
>>>>>>>>>> +++ b/tester/covoar/wscript
>>>>>>>>>> @@ -63,6 +63,7 @@ def build(bld):
>>>>>>>>>> rtl_includes = [rtemstoolkit,
>>>>>>>>>> rtemstoolkit + '/elftoolchain/libelf',
>>>>>>>>>> rtemstoolkit + '/elftoolchain/common',
>>>>>>>>>> + rtemstoolkit + '/elftoolchain/libdwarf',
>>>>>>>>>> rtemstoolkit + '/libiberty']
>>>>>>>>>> if bld.env.DEST_OS == 'win32':
>>>>>>>>>> rtl_includes += [rtemstoolkit + '/win32']
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> -- vijay
>>>>>>>>>>
>>>>>>>>>> On 7 May 2018 at 13:30, Vijay Kumar Banerjee <
>>>>>>>>>> vijaykumar9597 at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On 6 May 2018 at 13:29, Chris Johns <chrisj at rtems.org> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> On 6/5/18 5:28 pm, Vijay Kumar Banerjee wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> On 6 May 2018 at 08:54, Chris Johns <chrisj at rtems.org <mailto:
>>>>>>>>>>>>> chrisj at rtems.org>> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> Would you please try `waf clean build` to see if
>>>>>>>>>>>>> rebuilding
>>>>>>>>>>>>> everything fixes this?
>>>>>>>>>>>>>
>>>>>>>>>>>>> still getting the same error .
>>>>>>>>>>>>> I'm using g++ 7.3.1 on fedora 27.
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> OK
>>>>>>>>>>>>
>>>>>>>>>>>> If you have changed something in the code, can you please send
>>>>>>>>>>>>> a patch for the same ?
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> I have not changed anything. I do not have a Linux box to try.
>>>>>>>>>>>>
>>>>>>>>>>>> I tried to do it afresh as well, it's still failing to build.
>>>>>>>>>>> Can someone please try to build it in a linux system ?
>>>>>>>>>>>
>>>>>>>>>>>> Chris
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> devel mailing list
>>>>>>>>>> devel at rtems.org
>>>>>>>>>> http://lists.rtems.org/mailman/listinfo/devel
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> devel mailing list
>>>>>>>>> devel at rtems.org
>>>>>>>>> http://lists.rtems.org/mailman/listinfo/devel
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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