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TCF / Linux error signal 11 ? [message #1799004]

Wed, 28 November 2018 14:59

Anne Creek

Messages: 275
Registered: September 2014

Senior Member

I am still troubleshooting the Zero TCF issue.
After adding -marm I get this error in "Debug" perspective.
Per my research it indicates incompatibility of code in TCF - so nothing new here, that has been identified as a main issue.
I am asking forum to help me find description of (Linux) "signal" in general and perhaps "signal 11" in particular.
I got as far as this link - but it is a dead end
https://www.tutorialspoint.com/unix/unix-signals-traps.htm

Debug output:
ZERO Debug (TCF Agent: Disconnected): All exited or detached, signal 11

I have also found a note about "hardware breakpoints are enabled by default "
To disable them this was suggested:

make CFLAGS=-DENABLE_HardwareBreakpoints=0 clean all

Now I need help with - where in Eclipse "settings" to add this option.
I did put it in "Gross G ++ compile -> Miscellaneous -> Other flags as
-DENABLE_HardwareBreakpoints=0 clean all

assuming I am already adding to CFLAGS , but it did not compile.

The basic issue still remains - the C++ code has to be complied to match TCF armv6 hardware - all of the above is not solving that and I do not expect it should.

So far this exercise is just learning process troubleshooting TCF in Eclipse IDE

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Re: TCF / Linux error signal 11 ? [message #1799028 is a reply to message #1799004]

Wed, 28 November 2018 23:37

Eugene Tarassov

Messages: 23
Registered: July 2009

Junior Member

I've tested TCF on RPi Zero and not found any issues.
Everything appears working fine.

Here is how I build and run TCF agent on RPi Zero:

sudo apt install git libssl-dev uuid-dev
git clone https://git.eclipse.org/r/tcf/org.eclipse.tcf.agent.git
cd org.eclipse.tcf.agent/agent
make CONF=Release
obj/GNU/Linux/arm/Release/agent

> ZERO Debug (TCF Agent: Disconnected): All exited or detached, signal 11

This does not really indicate an issue in TCF itself.
The signal is received by the application your are debugging.
And signal 11 is SIGSEGV - invalid pointer dereference.

> Now I need help with - where in Eclipse "settings" to add this option.

I'm not sure what you mean. -DENABLE_HardwareBreakpoints=0 is TCF agent option, and you don't need Eclipse to build and run the agent.

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