SPVM | SPVM Language | Script Programming library
kandi X-RAY | SPVM Summary
kandi X-RAY | SPVM Summary
Static Perl Virtual Machine. Fast calculation, fast array operation, and easy C/C++ Binding.
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QUESTION
I have a problem where one or more threads lock each other. I dont know what going on there. The debugger cannot break (thread 1), breaks but cannot get a backtrace (thread 2+5) or shows the backtrace (thread 3)
I learned that this is case because libc imlements this in assembler an gdb cannot walt the stack correctly. Sometimes (i dont know when), i can do a few steps in the assembly, then i see the backtrace.
I just tried a x64 program and it works.
See my sample code:
...ANSWER
Answered 2017-Mar-20 at 16:07I updated to a newer gdb version (currently the latest, 7.12.1). This fixed the problem.
Note that gbd:i386 did not work either on lubuntu x64, whereas it worked fine under lubuntu x32. Also note that both main32 and libc are binary identical on lubuntu x64 and x32.
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