mbox series

[v2,0/2] Fix 'faddr2line' for LLVM arm64 builds

Message ID 20230725211157.17031-1-will@kernel.org (mailing list archive)
Headers show
Series Fix 'faddr2line' for LLVM arm64 builds | expand

Message

Will Deacon July 25, 2023, 9:11 p.m. UTC 
Hi folks,

This is version two of the patches I sent yesterday attempting to fix
'faddr2line' for LLVM arm64 kernel images.

v1: https://lore.kernel.org/r/20230724174517.15736-1-will@kernel.org

Changes since v1 include:
  * Dropped the patch adding support for LLVM=1, since Josh said he'd
    pick it up.
  * Reuse the ignored symbol regex from 'mksysmap' instead of ignoring
    symbols based on their type.

Feedback welcome. I've checked that the symbols in System.map for a
defconfig arm64 build are the same with and without these changes, but I
think I'd still like this to spend time in -next if we go down this
route.

Cheers,

Will

Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: John Stultz <jstultz@google.com>
Cc: linux-kbuild@vger.kernel.org

--->8

Will Deacon (2):
  scripts/mksysmap: Factor out sed ignored symbols expression into
    script
  scripts/faddr2line: Constrain readelf output to symbols from
    System.map

 scripts/faddr2line              |  3 +-
 scripts/mksysmap                | 77 +--------------------------------
 scripts/sysmap-ignored-syms.sed | 74 +++++++++++++++++++++++++++++++
 3 files changed, 77 insertions(+), 77 deletions(-)
 create mode 100644 scripts/sysmap-ignored-syms.sed