Hi Rumen, one suggestion would be to change to the debug directory and run 'gdb ./squid -p $port' there. This should automatically load the symbols of all shared libraries except for ld-linux.lib.so, which still needs 'add-symbol-file ld-linux.lib.so' or a symlink named 'ld.lib.so'.
If it still doesn't work the output of gdb might be helpful. Christian On 02.05.25 10:05, Rumen Mitov wrote: > Thanks for all the help. I managed to compile everything and now I am trying > to debug my implementation. > > I am currently stuck on getting gdb to attach to the vfs_lwext4 plugin. My > assumption is that the entrypoint is > |vfs_file_system_factor|, so I added a wait_for_continue() in there. > > However, after I run gdb (via the attached script), my breakpoints are > ignored. I have applied the patch for linux-base and > breakpoints work when I try debugging my main program. > > I later saw that vfs_lwext4_fs has two processes, so I manually running the > steps from my gdb script with each pid. Unfortunately, > neither of them worked. > > I then tried switching threads in gdb but that was also unsuccessful. > > Any suggestions on how I can get this to work? > > Best, > Rumen > ------------------------------------------------------------------------------------------------------------------------------------ > *From:* Josef Söntgen <josef.soent...@genode-labs.com> > *Sent:* Thursday, April 3, 2025 12:18 PM > *To:* Genode users mailing list <users@lists.genode.org> > *Subject:* Re: Extending the VFS with hard-links > > CAUTION: This email originated from outside the organization. Do not click > links or open attachments unless you recognize the > sender and know the content is safe. > > > Hi Rumen, > > just a disclaimer, extending the VFS with hardlink support is not > something we endorse because of prior experience and the lack of > complelling use-cases that balance out the pitfalls. > > > > I need some help with extending the VFS for my project. I need > > hardlink support, so I added the following to > > repos/os/include/vfs/directory_service.h's Directory_service struct: > > […] > > The problem is that hardlink uses the default implementation in my main > > code: > > squidutils->_vfs_env.root_dir().hardlink(p2.string(), p1.string()); // > > Prints 'not implemented' > > […] > > From what I have read online the issue is that > > squidutils->_vfs_env.root_dir() is of type Directory_service, whereas > > […] > > You have to implement hardlink support in other VFS plugins, namely the > 'Dir_file_system' as this is normally the file-system you access via > 'root_dir()', as well. Otherwise you are not going to end up in the > lwext4 VFS plugin. The implementation of 'openlink' can show you the > way. > > > > Is there a way to use Lwext4_vfs_file_system without copying the > > entire source of Lwext4 into my project's source code? Or am I perhaps > > going in the wrong direction with all of this? > > If you follow the advice given above you should be able to make use of > the lwext4 VFS plugin w/o the need to create copy. > > In a previous e-mail I advised against using the lwext4 library directly > but perhaps iff there is no particular reason to use the VFS it could be > more beneficial to go in this direction after all. The by now removed code > in [1] illustrates how you can access the Block session w/o relying on the > VFS. > > [1] > https://github.com/genodelabs/genode-world/blob/3b8e174b6a213346ff7ebcbeeb108a95ceced49f/src/lib/lwext4/block.cc > > > Regards > Josef > > -- > Josef Söntgen > Genode Labs > > http://www.genode-labs.com/ · http://genode.org/ <http://genode.org/> > > _______________________________________________ > users mailing list -- users@lists.genode.org > To unsubscribe send an email to users-le...@lists.genode.org > Archived at > https://lists.genode.org/mailman3/hyperkitty/list/users@lists.genode.org/message/455OI6AROSL6S667R55FZJVGUT7E7YFQ/
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