Procedure Call Standard for the Arm 64-bit Architecture by Arm (source code)

= Procedure Call Standard for the Arm 64-bit Architecture by Arm
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https://github.com/ARM-software/abi-aa/blob/main/aapcs64/aapcs64.rst

AAPCS64, sections 5.1 and 5.10.1: fundamental type alignment and aggregate layout. Distinct from the existing AAPCS32 record.