addend_arm_rel() is completely, entirely bogus.

Fix the code, and also catch more section mismatches.

I confirmed this series is cleanly applicable to linux-next 20230601.



Masahiro Yamada (7):
  modpost: fix section mismatch message for R_ARM_ABS32
  modpost: fix section mismatch message for R_ARM_{PC24,CALL,JUMP24}
  modpost: detect section mismatch for R_ARM_{MOVW_ABS_NC,MOVT_ABS}
  modpost: refactor find_fromsym() and find_tosym()
  modpost: detect section mismatch for R_ARM_THM_{MOVW_ABS_NC,MOVT_ABS}
  modpost: fix section_mismatch message for
    R_ARM_THM_{CALL,JUMP24,JUMP19}
  modpost: detect section mismatch for R_ARM_REL32

 scripts/mod/modpost.c | 193 ++++++++++++++++++++++++++++--------------
 1 file changed, 129 insertions(+), 64 deletions(-)

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2.39.2