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cosmetics in abi.txt
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@ -77,7 +77,7 @@ Data classes of interest as defined by the ABI:
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The ABI is unclear on the alignment requirement of the
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stack. What must be ensured is that, right before
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executing a 'call' instruction, the stack pointer %rsp
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executing a 'call' instruction, the stack pointer `%rsp`
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is aligned on 16 bytes. On entry of the called
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function, the stack pointer is 8 modulo 16. Since most
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functions will have a prelude pushing `%rbp`, the frame
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