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Kbuild updates for v6.4

Browse source 
- Refactor scripts/kallsyms to make it faster and easier to maintain
 
  - Clean up menuconfig
 
  - Provide Clang with hard-coded target triple instead of CROSS_COMPILE
 
  - Use -z pack-relative-relocs flags instead of --use-android-relr-tags
    for arm64 CONFIG_RELR
 
  - Add srcdeb-pkg target to build only a Debian source package
 
  - Add KDEB_SOURCE_COMPRESS option to specify the compression for a
    Debian source package
 
  - Misc cleanups and fixes
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Merge tag 'kbuild-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Refactor scripts/kallsyms to make it faster and easier to maintain

 - Clean up menuconfig

 - Provide Clang with hard-coded target triple instead of CROSS_COMPILE

 - Use -z pack-relative-relocs flags instead of --use-android-relr-tags
   for arm64 CONFIG_RELR

 - Add srcdeb-pkg target to build only a Debian source package

 - Add KDEB_SOURCE_COMPRESS option to specify the compression for a
   Debian source package

 - Misc cleanups and fixes

* tag 'kbuild-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: deb-pkg: specify targets in debian/rules as .PHONY
  sparc: unify sparc32/sparc64 archhelp
  kbuild: rpm-pkg: remove kernel-drm PROVIDES
  kbuild: deb-pkg: add KDEB_SOURCE_COMPRESS to specify source compression
  kbuild: add srcdeb-pkg target
  Makefile: use -z pack-relative-relocs
  kbuild: clang: do not use CROSS_COMPILE for target triple
  kconfig: menuconfig: reorder functions to remove forward declarations
  kconfig: menuconfig: remove unused M_EVENT macro
  kconfig: menuconfig: remove OLD_NCURSES macro
  kbuild: builddeb: Eliminate debian/arch use
  scripts/kallsyms: update the usage in the comment block
  scripts/kallsyms: decrease expand_symbol() / cleanup_symbol_name() calls
  scripts/kallsyms: change the output order
  scripts/kallsyms: move compiler-generated symbol patterns to mksysmap
  scripts/kallsyms: exclude symbols generated by itself dynamically
  scripts/mksysmap: use sed with in-line comments
  scripts/mksysmap: remove comments described in nm(1)
  scripts/kallsyms: remove redundant code for omitting U and N
  kallsyms: expand symbol name into comment for debugging
This commit is contained in:
Linus Torvalds 2023-04-30 11:32:53 -07:00
commit d55571c008
15 changed files with 510 additions and 582 deletions
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6
scripts/link-vmlinux.sh
View file

@ -174,7 +174,7 @@ kallsyms_step()
kallsyms_S=${kallsyms_vmlinux}.S
vmlinux_link ${kallsyms_vmlinux} "${kallsymso_prev}" ${btf_vmlinux_bin_o}
mksysmap ${kallsyms_vmlinux} ${kallsyms_vmlinux}.syms
mksysmap ${kallsyms_vmlinux} ${kallsyms_vmlinux}.syms ${kallsymso_prev}
kallsyms ${kallsyms_vmlinux}.syms ${kallsyms_S}
info AS ${kallsyms_S}
@ -188,7 +188,7 @@ kallsyms_step()
mksysmap()
{
info NM ${2}
${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2}
${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2} ${3}
}
sorttable()
@ -277,7 +277,7 @@ if is_enabled CONFIG_DEBUG_INFO_BTF && is_enabled CONFIG_BPF; then
${RESOLVE_BTFIDS} vmlinux
fi
mksysmap vmlinux System.map
mksysmap vmlinux System.map ${kallsymso}
if is_enabled CONFIG_BUILDTIME_TABLE_SORT; then
info SORTTAB vmlinux