On 2024-08-17 09:11:47+0000, Jose Fernandez wrote:
> Add a new debug package to the PKGBUILD for the pacman-pkg target. The
> debug package includes the non-stripped vmlinux file, providing access
> to debug symbols needed for kernel debugging and profiling. The vmlinux
> file will be installed to /usr/src/debug/${pkgbase}. The debug package
> will be built by default and can be excluded by overriding PACMAN_EXTRAPACKAGES.
>
> Signed-off-by: Jose Fernandez <jose.fernandez@xxxxxxxxx>
> Reviewed-by: Peter Jung <ptr1337@xxxxxxxxxxx>
> ---
> v1->v2:
> - Use the new PACMAN_EXTRAPACKAGES [1] variable to allow users to disable the
> debug package if desired, instead of always including it.
>
> [1] https://lore.kernel.org/lkml/20240813185900.GA140556@thelio-3990X/T/
>
> scripts/package/PKGBUILD | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/scripts/package/PKGBUILD b/scripts/package/PKGBUILD
> index fbd7eb10a52c..d40d282353de 100644
> --- a/scripts/package/PKGBUILD
> +++ b/scripts/package/PKGBUILD
> @@ -5,7 +5,7 @@
> pkgbase=${PACMAN_PKGBASE:-linux-upstream}
> pkgname=("${pkgbase}")
>
> -_extrapackages=${PACMAN_EXTRAPACKAGES-headers api-headers}
> +_extrapackages=${PACMAN_EXTRAPACKAGES-headers api-headers debug}
> for pkg in $_extrapackages; do
> pkgname+=("${pkgbase}-${pkg}")
> done
> @@ -106,6 +106,15 @@ _package-api-headers() {
> ${MAKE} headers_install INSTALL_HDR_PATH="${pkgdir}/usr"
> }
>
> +_package-debug(){
> + pkgdesc="Non-stripped vmlinux file for the ${pkgdesc} kernel"
> + depends=(${pkgbase}-headers)
> +
> + cd "${objtree}"
This should make use of _prologue() from
"kbuild: pacman-pkg: move common commands to a separate function"
https://lore.kernel.org/lkml/20240816141844.1217356-1-masahiroy@xxxxxxxxxx/
It's not yet part of the kbuild tree, but I guess will be soon.
> + mkdir -p "$pkgdir/usr/src/debug/${pkgbase}"
The mkdir shouldn't be necessary, as install -D is used.
> + install -Dt "$pkgdir/usr/src/debug/${pkgbase}" -m644 vmlinux
Can you also add a symlink to /usr/lib/modules/$(uname -r)/build/vmlinux
for compatibility with the vanilla package?
> +}
> +
> for _p in "${pkgname[@]}"; do
> eval "package_$_p() {
> $(declare -f "_package${_p#$pkgbase}")
>
> base-commit: 869679673d3bbaaf1c2a43dba53930f5241e1d30
> --
> 2.46.0
>
