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Document a limitation of the DW_CFA_AARCH64_negate_ra_state. #129

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Mar 14, 2022
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Document a limitation of the DW_CFA_AARCH64_negate_ra_state. #129

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4 changes: 4 additions & 0 deletions aadwarf64/aadwarf64.rst
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Expand Up @@ -584,6 +584,10 @@ This ABI defines one vendor call frame instruction

The ``DW_CFA_AARCH64_negate_ra_state`` operation negates bit[0] of the
RA_SIGN_STATE pseudo-register. It does not take any operands.
The ``DW_CFA_AARCH64_negate_ra_state`` must not be mixed with other DWARF
Register Rule Instructions (GDWARF_, §6.4.2.3) on the RA_SIGN_STATE
pseudo-register in one Common Information Entry (CIE) and Frame Descriptor
Entry (FDE) program sequence.

.. _DWARF expression operations:

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