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[BOLT] Fix order of R_*_IRELATIVE in .rela.plt #106515

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[BOLT] Fix order of R_*_IRELATIVE in .rela.plt #106515

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Commits on Aug 29, 2024

  1. [BOLT] Fix order of R_*_IRELATIVE in .rela.plt 

    GNU ld might place R_*_IRELATIVE in .rela.plt, and have a layout like

Relocation section '.rela.plt' ...
  Offset       Type
  cc9040       R_X86_64_JUMP_SLOT
  cc9048       R_X86_64_JUMP_SLOT
  cc9060       R_X86_64_JUMP_SLOT
  cc9050       R_X86_64_IRELATIVE

R_*_IRELATIVE entries all come after JUMP_SLOT entries. This patch will
change the allocatable rela patching order to keep this layout if we
find R_*_IRELATIVE is in .rela.plt section.
    @linsinan1995
    linsinan1995 committed Aug 29, 2024
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