<html><head></head><body>Jaak, I disagree that your comments have anything to do with this problem. I have confirmed that the 3 file globals immediately preceding the problem global have been initialized. I doubt you are saying the c++ standard doesn't support initializing a global array and then initializing a global std::list with the members of this array, all in the same object file. I know the spec doesn't assure global initialization order across object files, but within the same object file, I find it hard to believe there is no specification to the order.<br><br><div class="gmail_quote">Jaak Ristioja <jaak@ristioja.ee> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">-----BEGIN PGP SIGNED MESSAGE-----<br />Hash: SHA1<br /><br />It's not a compiler bug.<br /><br />Basically the C++ standard does not enforce an initialization order<br />for globals. So the compiler is free to initialize such stuff in any<br />order. I think your toolchain just happens to be lucky enough to do<br />that in an the order which doesn't yield in a crash.<br /><br />I don't have the time to look this up in the C++ standards myself, but<br />you can google such stuff:<br /><br /><a href="http://stackoverflow.com/questions/3746238/c-global-initialization-order-ignores-dependencies">http://stackoverflow.com/questions/3746238/c-global-initialization-order-ignores-dependencies</a><br /><br /><br />Blessings,<br />Jaak<br /><br />On 10.09.2013 18:12, Troy A. Griffitts wrote:<br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">Hey Jaak,<br /><br />Thank, yeah, but why? :)<br /><br />My investigation turns up:<br /><br />shared build works fine and valgrinds clean static build on g++<br />(GCC) 4.8.1 (F19) fails static build on g++ (GCC) 4.4.7 (RHEL 6.4)<br />works fine and valgrinds clean<br /><br />In the error case, it seems that std::list's c-tor(iterator start, <br />iterator end) doesn't get called appropriately, though all the<br />other file globals get initialized just fine.<br /><br />I moved the global filter in the utility to a stack variable and<br />it alleviates the problem, but still wonder why the problem in the<br />first place.<br /><br />Any advice would be appreciated. If I'm doing something wrong, I'd<br />like to change it, but right now I'm going with "compiler bug" :)<br /><br />Troy<br /><br /><br /><br /><br /><br />On 09/10/2013 08:20 AM, Jaak Ristioja wrote: I'm pretty sure that<br />the crash is because the global<br /><br />const StringList oValues(&choices[0], &choices[2]);<br /><br />in ../src/modules/filters/utf8greekaccents.cpp:41 is not<br />initialized when it is used in UTF8GreekAccents::UTF8GreekAccents()<br />to initialize the global<br /><br />UTF8GreekAccents greekAccentsFilter;<br /><br />instance in imp2gbs.cpp:62.<br /><br /><br />Blessings, Jaak<br /><br />On 10.09.2013 02:02, Peter von Kaehne wrote:<br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;"><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #8ae234; padding-left: 1ex;"><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #fcaf3e; padding-left: 1ex;">I hate to bring this up, now, when we really all want 1.7<br />out, but current svn head produces a segmentation fault in<br />imp2gbs. The other utilities insofar as I tested them seem to<br />be fine.<br /><br />Below the stacktrace. Tell me if you need more. I basically<br />use <a href="http://usrinst.sh">usrinst.sh</a> produced binaries, with the only modification<br />that I changed the install directory to /usr/local/bin<br /><br /><br /><br />peter@peter-ThinkPad-Twist:~/Source/sword$ gdb <br />/usr/local/bin/imp2gbs GNU gdb (GDB) 7.5-ubuntu Copyright (C)<br />2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL<br />version 3 or later <<a href="http://gnu.org/licenses/gpl.html">http://gnu.org/licenses/gpl.html</a>> This is<br />free software: you are free to change and redistribute it.<br />There is NO WARRANTY, to the extent permitted by law. Type<br />"show copying" and "show warranty" for details. This GDB was<br />configured as "i686-linux-gnu". For bug reporting<br />instructions, please see: <br /><<a href="http://www.gnu.org/software/gdb/bugs">http://www.gnu.org/software/gdb/bugs</a>/>... Reading symbols<br />from /usr/local/bin/imp2gbs...done. (gdb) r Starting<br />program: /usr/local/bin/imp2gbs<br /><br />Program received signal SIGSEGV, Segmentation fault.<br />0x08050b7a in sword::SWBuf::c_str (this=0x8) at<br />../include/swbuf.h:141 141 inline const char *c_str() const{<br />return buf; } (gdb) bt #0 0x08050b7a in sword::SWBuf::c_str<br />(this=0x8) at ../include/swbuf.h:141 #1 0x0805a790 in <br />sword::SWOptionFilter::setOptionValue (this=0x8115b60 <br /><greekAccentsFilter>, ival=0x80c715b "On") at <br />../src/modules/filters/swoptfilter.cpp:51 #2 0x0805aca2 in <br />sword::UTF8GreekAccents::UTF8GreekAccents (this=0x8115b60 <br /><greekAccentsFilter>, __in_chrg=<optimised out>, <br />__vtt_parm=<optimised out>) at <br />../src/modules/filters/utf8greekaccents.cpp:43 #3 0x0805099d<br />in __static_initialization_and_destruction_0<br />(__initialize_p=1, __priority=65535) at imp2gbs.cpp:62 #4<br />0x080509df in _GLOBAL__sub_I_imp2gbs.cpp(void) () at<br />imp2gbs.cpp:273 #5 0x080c6ae2 in __libc_csu_init () #6<br />0xb77f046a in __libc_start_main () from<br />/lib/i386-linux-gnu/<a href="http://libc.so">libc.so</a>.6 #7 0x0804f931 in _start ()<br />(gdb) #0 0x08050b7a in sword::SWBuf::c_str (this=0x8) at<br />../include/swbuf.h:141 #1 0x0805a790 in <br />sword::SWOptionFilter::setOptionValue (this=0x8115b60 <br /><greekAccentsFilter>, ival=0x80c715b "On") at <br />../src/modules/filters/swoptfilter.cpp:51 #2 0x0805aca2 in <br />sword::UTF8GreekAccents::UTF8GreekAccents (this=0x8115b60 <br /><greekAccentsFilter>, __in_chrg=<optimised out>, <br />__vtt_parm=<optimised out>) at <br />../src/modules/filters/utf8greekaccents.cpp:43 #3 0x0805099d<br />in __static_initialization_and_destruction_0<br />(__initialize_p=1, __priority=65535) at imp2gbs.cpp:62 #4<br />0x080509df in _GLOBAL__sub_I_imp2gbs.cpp(void) () at<br />imp2gbs.cpp:273 #5 0x080c6ae2 in __libc_csu_init () #6<br />0xb77f046a in __libc_start_main () from<br />/lib/i386-linux-gnu/<a href="http://libc.so">libc.so</a>.6 #7 0x0804f931 in _start ()<br />(gdb) #0 0x08050b7a in sword::SWBuf::c_str (this=0x8) at<br />../include/swbuf.h:141 #1 0x0805a790 in <br />sword::SWOptionFilter::setOptionValue (this=0x8115b60 <br /><greekAccentsFilter>, ival=0x80c715b "On") at <br />../src/modules/filters/swoptfilter.cpp:51 #2 0x0805aca2 in <br />sword::UTF8GreekAccents::UTF8GreekAccents (this=0x8115b60 <br /><greekAccentsFilter>, __in_chrg=<optimised out>, <br />__vtt_parm=<optimised out>) at <br />../src/modules/filters/utf8greekaccents.cpp:43 #3 0x0805099d<br />in __static_initialization_and_destruction_0<br />(__initialize_p=1, __priority=65535) at imp2gbs.cpp:62 #4<br />0x080509df in _GLOBAL__sub_I_imp2gbs.cpp(void) () at<br />imp2gbs.cpp:273 #5 0x080c6ae2 in __libc_csu_init () #6<br />0xb77f046a in __libc_start_main () from<br />/lib/i386-linux-gnu/<a href="http://libc.so">libc.so</a>.6 #7 0x0804f931 in _start ()<br />(gdb)<br /><br /><br /><br /><hr />sword-devel<br />mailing list: sword-devel@crosswire.org <br /><a 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