[lld] ELF: Introduce --shuffle-padding flag. (PR #117653)

[via llvm-commits]

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@@ -2753,6 +2753,21 @@ RelroPaddingSection::RelroPaddingSection(Ctx &ctx)
     : SyntheticSection(ctx, ".relro_padding", SHT_NOBITS, SHF_ALLOC | SHF_WRITE,
                        1) {}
 
+ShufflePaddingSection::ShufflePaddingSection(Ctx &ctx, uint64_t size,
+                                             OutputSection *parent)
+    : SyntheticSection(ctx, ".shuffle_padding", SHF_ALLOC, SHT_PROGBITS, 1),
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pcc wrote:

The new sections are added after the output section flags are resolved, so I don't think the values here matter. I just picked values arbitrarily. The new tests I added show that the correct section flags are preserved.

https://github.com/llvm/llvm-project/pull/117653