help debugging segfault with alienarena 7.32
John Reiser
jreiser at bitwagon.com
Tue Nov 3 19:17:23 UTC 2009
>> FWIW, it looks like the backtrace is within the C++ start-up code that
>> runs all non-empty constructors for global C++ variables, which gets
>> called before "main" starts for a C++ program.
>>
>> Does
>> (gdb) break call_init
>> before
>> (gdb) run
>> give you a working breakpoint?
> It does, but it doesn't seem to be terribly useful in debugging, as it
> keeps hitting that breakpoint over and over and over.
(gdb) set stop-on-solib-events 1
(gdb) run <<args...>>
Stopped due to shared library event
(gdb) info shared
From To Syms Read Shared Object Library
0x00dc2830 0x00ddb27f Yes /lib/ld-linux.so.2
0x00ae4410 0x00ae45e8 Yes a.out
(gdb) c
Continuing.
Stopped due to shared library event
(gdb) info shared
From To Syms Read Shared Object Library
0x00dc2830 0x00ddb27f Yes /lib/ld-linux.so.2
0x00ae4410 0x00ae45e8 Yes a.out
0x00e5a840 0x00f68c78 Yes /lib/libc.so.6
etc.
You might run afoul of this years-old bug:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179072
Post the build, or a pointer to it, plus the needed environment?
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