[all-commits] [llvm/llvm-project] 02482f: [BOLT] Properly validate relocations against inter...

[Maksim Panchenko via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 02482f42739e5b16035f4169923cb6abe0bb9698
      https://github.com/llvm/llvm-project/commit/02482f42739e5b16035f4169923cb6abe0bb9698
  Author: Maksim Panchenko <maks at fb.com>
  Date:   2025-12-06 (Sat, 06 Dec 2025)

  Changed paths:
    M bolt/include/bolt/Core/BinaryFunction.h
    M bolt/lib/Core/BinaryFunction.cpp
    M bolt/test/X86/unclaimed-jt-entries.s
    M bolt/test/runtime/X86/unclaimed-jt-entries.s

  Log Message:
  -----------
  [BOLT] Properly validate relocations against internals of a function (#167451)

Validation of data relocations targeting internals of a function was
happening based on offsets inside a function. As a result, if multiple
relocations were targeting the same offset, and one of the relocations
was verified, e.g. as belonging to a jump table, then all relocations
targeting the offset would be considered verified and valid.

Now that we are tracking relocations pointing inside every function, we
can do a better validation based on the location of the relocation.
E.g., if a relocation belongs to a jump table only that relocation will
be accounted for and other relocations pointing to the same address will
be evaluated independently.



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