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SubjectRe: [PATCH] scripts/gdb: Handle split debug
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On 31.07.19 01:40, Douglas Anderson wrote:
> Some systems (like Chrome OS) may use "split debug" for kernel
> modules. That means that the debug symbols are in a different file
> than the main elf file. Let's handle that by also searching for debug
> symbols that end in ".ko.debug".

Is this split-up depending on additional kernel patches, is this already
possible with mainline, or is this purely a packaging topic? Wondering because
of testability in case it's downstream-only.

Jan

>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> ---
>
> scripts/gdb/linux/symbols.py | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
> index 2f5b95f09fa0..34e40e96dee2 100644
> --- a/scripts/gdb/linux/symbols.py
> +++ b/scripts/gdb/linux/symbols.py
> @@ -77,12 +77,12 @@ lx-symbols command."""
> gdb.write("scanning for modules in {0}\n".format(path))
> for root, dirs, files in os.walk(path):
> for name in files:
> - if name.endswith(".ko"):
> + if name.endswith(".ko") or name.endswith(".ko.debug"):
> self.module_files.append(root + "/" + name)
> self.module_files_updated = True
>
> def _get_module_file(self, module_name):
> - module_pattern = ".*/{0}\.ko$".format(
> + module_pattern = ".*/{0}\.ko(?:.debug)?$".format(
> module_name.replace("_", r"[_\-]"))
> for name in self.module_files:
> if re.match(module_pattern, name) and os.path.exists(name):
>

--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux

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