Preparing Yocto Development Environment for Debugging: Difference between revisions

Preparing Yocto Development Environment for Debugging (view source)

860 bytes added , 11 February 2019

352

edits

@@ Line 123: / Line 123: @@
 <syntaxhighlight lang=make>
 IMAGE_INSTALL += "kexec-tools"
+</syntaxhighlight>
+=== KGDB ===
+KGDB is intended to be used for kernel debugging, as a source level debugger along with GDB. It also allows to place breakpoints in kernel code and perform limited execution stepping.
+In order to include KGDB on our image, it is necessary to modify the kernel configuration by running the following command:
+<syntaxhighlight lang=bash>
+bitbake -c menuconfig virtual/kernel
+</syntaxhighlight>
+The settings are as follows:
+<syntaxhighlight lang=bash>
+Kernel hacking -> KGDB: Kernel debugger (Check it and Enter):
+Check: KGDB: use kgdb over the serial console
+Kernel debugging Check it
+</syntaxhighlight>
+Finally, it is necessary to add SSH to the image. This can be done by adding to the '''$YOCTO_BUILD/conf/local.conf''':
+'''$YOCTO_BUILD/conf/local.conf'''
+<syntaxhighlight lang=bash>
+CORE_IMAGE_EXTRA_INSTALL += "openssh"
 </syntaxhighlight>