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2017 Mar 10
3
[ELF] [RFC] Padding between executable sections
Hi, I was doing some experiments with LLD and noticed that it pads out OutputSections with null bytes in all cases (as far as I could tell). However, for executable sections on some targets, 0x00 forms part of an executable instruction that is not nop. In particular, for x86_64 targets at least, the sequence 0x00 0x00 is an add instruction. This can result in confusing disassembly. For example,