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Diffstat (limited to 'website/content/en/status/report-2022-10-2022-12/ddb_ctf.adoc')
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diff --git a/website/content/en/status/report-2022-10-2022-12/ddb_ctf.adoc b/website/content/en/status/report-2022-10-2022-12/ddb_ctf.adoc new file mode 100644 index 0000000000..a479c73dac --- /dev/null +++ b/website/content/en/status/report-2022-10-2022-12/ddb_ctf.adoc @@ -0,0 +1,15 @@ +=== Adding basic CTF support to ddb + +Links: + +link:https://reviews.freebsd.org/D37898[Differential 1] URL: link:https://reviews.freebsd.org/D37898[https://reviews.freebsd.org/D37898] + +link:https://reviews.freebsd.org/D37899[Differential 2] URL: link:https://reviews.freebsd.org/D37899[https://reviews.freebsd.org/D37899] + +Contact: Bojan Novković <bojan.novkovic@kset.org> + +The goal of this project was to extend the ddb kernel debugger to use the kernel's Compact C Type Format (CTF) data and use the newly added features to implement a pretty-printing command in ddb. + +Due to a restrictive execution environment (no IO or memory allocation), ddb can not use existing kernel linker methods to retrieve the kernel's CTF data. +Instead, the first patch adds the ability to load the kernel's CTF data during boot and adds a new kernel linker method used for accessing CTF data from ddb. +The second patch adds a basic interface for using CTF data in ddb and a pretty-printing command built using the newly added interfaces. + +Any feedback, comments, and reviews are welcome and would be greatly appreciated. |