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[pauthabi64] Require 0 addend for signing of undefined weak ref #391

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[pauthabi64] Require 0 addend for signing of undefined weak ref #391

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[pauthabi64] Require 0 addend for signing of undefined weak ref
smithp35 Apr 23, 2026
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smithp35 Apr 24, 2026
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3 changes: 2 additions & 1 deletion pauthabielf64/pauthabielf64.rst
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Expand Up @@ -679,7 +679,8 @@ this should be sufficient.
bits are set to 0.

For a relocation that involves signing a pointer, if the target symbol
is an undefined weak reference, the result of the
is an undefined weak reference, the result of the relocation is not
signed. If the relocation addend is 0, this means the result of the
relocation is 0 (nullptr) regardless of the signing schema.

The computation to form the ``modifier`` is the same as
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