[PATCH] D57190: [MC] Teach the MachO object writer about N_FUNC_COLD

Vedant Kumar via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 24 18:49:04 PST 2019


vsk added a comment.

In D57190#1370535 <https://reviews.llvm.org/D57190#1370535>, @pcc wrote:

> Interesting, what's the advantage of this over doing something like creating a `__cold` section in the `__TEXT` segment?


A .cold directive allows us to perform reordering in projects/build systems we don't control, which may have custom linker scripts, or other tooling which depends on text remaining in the __text section.


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