Hi Everybody
Currently debugging using sysroots seems to work as long as the work folder
containing the original source is available.
Once this work dir is gone the debugger is no longer able to find the source
code. This is especially confusing if some packages are taken from sstate and
others are built in the current projects, because for some libraries the
sources can be found and for others not. It is hard at first to figure out the
reason why one works and the other not.
In order to make it easier to debug using sysroots I propose to modify the how
the sysroots is built to do somethins similar to rootfs:
1. Changing the source reference in the debug symbols to point to the source
under /usr/src/debug
2. Copy the sources into /usr/src/debug under sysroots similar to how it is
done for a debug rootfs.
3. Document that the user needs to add the following to the .gdbinit to make it
work:
```
set sysroot /project/oe/build/tmp/sysroots/<target_sysrtoot>
set substitute-path /usr/src/debug
/project/oe/build/tmp/sysroots/<target_sysrtoot>/usr/src/debug
```
This would also allow the sysroot to be relocatable as it is kind of standalone
and everything required to debug is included.
What do you think? Does this proposal make sense, or did I miss something and
this is completly unnecessary and there is an easier way already working?
Regards
Pascal
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